baber/WOPTO huggingface dataset:
Patent PT-1713448-E (PT)
Title: Stable beadlets of lipophilic nutrients
Inventor: VENKATESH DESHPANDE JAYANT
IPC: A23L33/15
Filed: 2004-09-01
Abstract: The invention disclosed in this application relates to novel stable beadlets of lipophilic nutrients comprising an inert core having a coating of stabilizing antioxidants, lipophilic nutrients, or mixtures thereof. The beadlets may be coated with one or more coatings to protect the lipophilic ingredients from the atmosphere, specifically the coatings can be used to protect against moisture and/or oxygen. The invention also relates to a process for the preparation of the stable beadlets. The beadlets can be used in medicines and dietary supplements intended to facilitate the reduced risk of macular degeneration, cataract, and several forms of cancer.
Patent PT-1970179-E (PT)
Title: Method for producing a translucent multilayer composite component for facades and a component manufactured thereby
Inventor: FISCHER OLIVER
IPC: B28B19/00
Filed: 2008-03-14
Abstract: The device has a translucent component made form a multi-layer composite component (10). A facing layer (1), made form a concrete material, is arranged on visible side. An insulating layer (2) is arranged at a distance behind the visible side. The insulating layer is connected with a back layer (3), made from concrete material, at its back side. The all three form of one or more light guidance bodies (4) are interspersed. The facing layer and the base layer has wood composite materials, mineral casting masses, concrete polymer, tone, lime, gypsum, loam, plastic masses and hard materials. An independent claim is also included for a method for producing translucent multi-layer composite components for facade and other construction.
Patent PT-1975084-E (PT)
Title: An insulating container
Inventor: GIANFRANCO D'AMATO
IPC: B31B50/59
Filed: 2005-09-01
Abstract: The invention relates to a method of fabricating an insulating container (10) for hot drinks or the like. The container includes an inner cup (12) having a generally frusto-conical cup body (22), a generally frusto-conical outer shell (14), a thermo-sealable plastic coating (42) on at least one of the inside of said shell and the outside of said cup body. The cup is seated within said shell so that the coating extends at least along a contact path (3) near the upper edge (9) of the shell along which contact path outer surface of the cup body and inner surface of the shell are in contact and are bonded.
Patent PT-2263669-E (PT)
Title: Pharmaceutically active isoindoline derivatives
Inventor: MAN HON-WAH
IPC: C07D209/49
Filed: 2000-11-09
Abstract: Cyclopropyl-N-{2-[(1S)-1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl] -3-oxoisoindoline-4-yl}-carboxamide, or an acid addition salt thereof, for use in treating an autoimmune disease.
Patent PT-2836488-E (PT)
Title: Pyridazinone herbicidal compounds
Inventor: CHRISTOPHER JOHN MATHEWS
IPC: C07D403/04
Filed: 2013-04-12
Abstract: The present invention relates to compounds of Formula (I), or an agronomically acceptable salt of said compounds wherein X1, R1, R2, R3, R5, G and n are as defined herein. The invention further relates to herbicidal compositions which comprise a compound of Formula (I), and to their use for controlling weeds, in particular in crops of useful plants.
Patent PT-804410-E (PT)
Inventor: NG JOHN S
IPC: C07C309/73
Filed: 1996-01-18
Abstract: The present invention relates to cyclic sulfone moiety-containing hydroxyethylamine protease inhibitor compounds and pharmaceutical or method of use therefor, particularly as an inhibitor of HIV protease.
Patent PT-929547-E (PT)
Inventor: MORRISSEY MICHAEL M
IPC: C07D401/12
Filed: 1997-09-11
Abstract: This invention is directed to benzamidine derivatives substituted by cyclic amino acid and cyclic hydroxy acid derivatives which are useful as anti-coagulants. This invention is also directed to pharmaceutical compositions containing the compounds of the invention, and methods of using the compounds to treat disease-states characterized by thrombotic activity.
Patent PT-975581-E (PT)
Inventor: SANTANIELLO MOSE
IPC: A23K1/16
Filed: 1998-04-08
Abstract: PCT No. PCT/IT98/00080 Sec. 371 Date Oct. 8, 1999 Sec. 102(e) Date Oct. 8, 1999 PCT Filed Apr. 4, 1998 PCT Pub. No. WO98/47857 PCT Pub. Date Oct. 29, 1998Stable and non-hygroscopic salts consisting of L-carnitine or alkanoyl-L-carnitine choline tartrate are disclosed. The salts are suitable for preparing solid compositions useful as dietary/nutritional supplements for human use and as fodder supplement for veterinary purposes.
Patent PT-999626-E (PT)
Inventor: HASBERG JOSEF
IPC: H02G1/08
Filed: 1999-10-14
Abstract: The tongs have a body (2) with an elongate opening for reception of part of the flexible electrical cable (3), a relatively pivoted hand grip (5), operated to project into the elongate opening, a driven feed device (10) and a guide sleeve (21) which is pivoted about a transverse axis (6) at one end of the tongs body.
Patent PT-955299-E (PT)
Inventor: NANTEUIL GUILLAUME DE
IPC: C07D401/06
Filed: 1999-04-26
Abstract: Benzothiophene, benzofuran and indole derivatives (I) are new. Benzothiophene, benzofuran and indole derivatives of formula (I) and their salts are new: X = O, S or NR3; R3 = H, 1-6C alkyl, 1-6C acyl, aryl, 1-6C arylalkyl or 1-6C heteroarylalkyl; Y = O, S, NR3 or single bond when X is NR3 and R3 is 1-6C heteroarylalkyl; Z' = N when the bond to the carbon (i) is single, or C or CH when the bond is single or double; A = single bond, 1-6C alkylene (optionally substituted by one or more 1-6C alkyl, aryl, 1-6C arylalkyl, cycloalkyl or heterocyclic ring), arylene, cycloalkylene, heterocyclic ring or -SO2-R4- (Z' being bond to SO2); R4 = 1-6C alkylene, arylene, 1-6C arylalkylene, cycloalkylene or heterocyclic ring; W1 = OH, 1-6C alkoxy, aryloxy, 1-6C arylalkoxy, cycloalkyloxy, heterocyclic ring (bond to O or amino (optionally substituted by 1-6C alkyl, aryl, 1-6C arylalkyl or cycloalkyl) or hydroxyamino; Ra-Rd = H, halo, OH, CN, NO2, 1-6C alkyl, 1-6C alkoxy, 1-6C acyl, carboxy, 1-6C alkoxycarbonyl , 1-6C trihalogenated alkyl, amino (optionally substituted by one or two 1-6C alkyl) or 1-6C arylalkoxy;   R1 = aryl (substituted by 1-5 halo, OH, CN, NO2, carboxy, 1-6C alkyl, 1-6C alkoxy, 1-6C trihalogenated alkyl, 1-6C trihalogenated alkoxy, amino (optionally substituted by one or two 1-6C alkyl (one optionally substituted by amino, 1-6C alkylamino or dialkylamino)), 1-6C arylalkoxy, 1-6C aminoalkoxy (amino optionally substituted by one or two 1-6C alkyl) or heteroaryl (optionally substituted); and R2 = H, 1-6C alkyl, aryl, 1-6C arylalkyl, cycloalkyl, heterocyclic ring, 1-6C alkyl-heterocyclic ring or, when Z' is C or CH, 1-6C alkylamino or 1-6C arylalkoxycarbonylamino; provided that Ra-Rd can not be all H. An Independent claim is also included for the preparation of (I).
Patent PT-1056767-E (PT)
Inventor: WONG ALFRED
IPC: C11B13/00
Filed: 1999-02-19
Abstract: A method of preparing phytosterols from tall oil pitch containing steryl esters comprises the steps of converting the steryl esters to free phytosterols while in the pitch to produce a modified pitch containing the free phytosterols; removing light ends from the modified pitch by evaporation to produce a bottom fraction containing the free phytosterols; evaporating the bottom fraction to produce a light phase distillate containing the free phytosterols; dissolving the light phase distillate in a solvent comprising an alcohol to produce a solution containing the free phytosterols; cooling the solution to produce a slurry with the free phytosterols crystallized in the slurry; and, washing and filtering the slurry to isolate the crystallized phytosterols.
Patent PT-1093366-E (PT)
Inventor: LESLIE MAGNUS
IPC: A61K31/195
Filed: 1999-06-18
Abstract: The present invention is a method of using certain analogs of glutamic acid and gamma-aminobutyric acid in combination with an anti-viral agent to treat shingles.
Patent PT-1141065-E (PT)
Inventor: PROBST JOACHIM
IPC: C09D175/04
Filed: 1999-12-06
Abstract: The invention relates to aqueous two-component polyurethane systems, a process for their production, and their use for the production of coatings having increased impact strength, high stability properties and outstanding optical properties.
Patent SG-3292-G (SG)
Title: Production of a-21978c derivatives
IPC: C12P21/04
Filed: 1992-01-11
Abstract: An improved process is provided for producing A-21978C cyclic peptide derivatives having a C2-C14 alkonoyl side chain which comprises feeding a C2-C14 alkanoic acid, or an ester or salt thereof, to the A-21978C-producing culture during the production stages of the fermentation. In addition, a new process is provided for producing the A-21978C antibiotics which comprises cultivating under aerobic conditions a new strain of microorganism.
Patent SG-94587-G (SG)
Title: Process for 5-aroylation of 1,2-dihydro-3h-pyrrolo(1,2-a) pyrrole-1-carboxylic esters and nitriles
IPC: C07D487/04
Filed: 1987-10-29
Abstract: A process for 5-aroylation of 1,2-dihydro-3H-pyrrolo [1,2-a]pyrrole-1-carboxylic esters and nitriles by reacting a pyrrolo pyrrole 
<CHEM>
 with an aroyl morpholide 
<CHEM>
 and an inorganic acid chloride in an inert aprotic solvent; followed by treatment with weak or strong base to form: 
<CHEM>
 The nitrile (V) can be hydrolyzed to the acid (III).
Patent SG-130094-G (SG)
Title: Peptide fragments of HIV
Inventor: MCMICHAEL ANDREW JAMES
IPC: C07K19/00
Filed: 1994-09-06
Abstract: A peptide is described which has the amino acid sequence of a fragment of HIV which interacts specifically with a particular human leucocyte antigen (HLA) class I molecule, to stimulate cytotoxic T lymphocyte immunity. Such a fragment can be used in a potential vaccine against AIDS (acquired immune deficiency syndrome), and for diagnostic and therapeutic purposes. The peptide has the sequence NH2-asparagine-proline-proline-isoleucine-proline-valine glycine-glutamate-isoleucine-tyrosine-lysine-arginine-tryptophan-isole ucine-isol eucine-(cysteine)x-COOH, where x is 0 or 1.
Patent IE-38795-L (IE)
Title: Multi-layered dessert
IPC: A23L29/281
Filed: 1974-01-25
Abstract: 1463113 Multi-layer dessert C P C INTERNATIONAL Inc 25 Jan 1974 [25 Jan 1973] 03692/74 Heading A2B A multi-layer dessert is prepared by combining a cold aqueous liquid with a fat-free product comprising a mixture of a whippable dry protein, cold water soluble gelatin powder roll-dried starch and sweeteners, whipping the combination and allowing it to set at room temperature or under refrigeration. 
The fatfree product may comprise 0.5-20 g protein, 2-20 g gelatin, 2-20 g starch and 20-150 g icing sugar per 375 ml aqueous liquid. 
The whippable protein may be egg white powder, milk protein powder or a protein powder made from soybeans. 
The roll dried starch may be phosphate modified. 
Sweeteners specified other than icing sugar (sucrose) include dextrose, levulose, lactose, dry glucose syrup, sugar alcohols like sorbitol and xylitol and saccharin. 
Additional ingredients include 0.2 to 40 g of a vegetable binder such as agar, alginates, carrageenans, pectin, guar gum and carob kernel meal, and small quantities of food acids like citric acid, tartaric acid and fumaric acid. 
Flavourings, minerals, vitamins, and natural and/or artificial colourings may also be included in the composition. 
(From GB1463113 A) 
[FR2215176A1]
Patent IE-850426-L (IE)
Title: Sanitary napkin.
IPC: A61F13/15
Filed: 1985-02-21
Abstract: A sanitary napkin is provided with inwardly arcuate sides and elastic positioned centrally longitudinally along each of the sides and outward from the seal which attaches a fluid permeable cover directly to a fluid impermeable baffle. The elastic constricts the sides of the napkin to provide a cup-shaped profile with the bottom of the profile corresponding generally to the perineal area of the wearer.
[EP0155515A1]
Patent IE-900588-L (IE)
Title: Benzenesulfonamides and a process for their preparation
IPC: C07C323/67
Filed: 1990-02-16
Abstract: Compounds of the formula I   <IMAGE> I  where R1 to R5 have the meaning indicated, a process for their preparation and their use as medicaments are described. They are effective lipid-lowering agents with antioxidative properties from the benzenesulfonamide series. They do not have hypotensive and diuretic properties.
Patent IE-860591-L (IE)
Title: Benzoic acid intermediates
IPC: C07C313/00
Filed: 1986-03-06
Abstract: Novel trisubstituted benzoic acid intermediates which are useful in the preparation of certain herbicidal 2-(2,3,4- trisubstituted benzoyl)-1,3-cyclohexanediones. The intermediate benzoic acids of this invention have the following structural formula:wherein R<sup>6</sup> is chlorine, C<sub>1</sub>-C<sub>4</sub> alkoxy, C<sub>1</sub>-C<sub>4</sub> alkylthio or hydroxy; n is the integer 0 or 2; and R<sup>7</sup> is C<sub>1</sub>-C<sub>4</sub> alkyl.
Patent IE-780604-L (IE)
Title: Derivatives of (amino-thiazolyl-acetamido)-cephalosporanic¹acid.
IPC: C07D277/40
Filed: 1978-03-29
Abstract: Novel syn isomers of 7-amino-thiazolyl-acetamido-3-acetoxymethyl-cephalosporanic acid derivatives of the formula <IMAGE> I wherein R1 is selected from the group consisting of -CN, -CONH2 and -COOR1', R1' is selected from the group consisting of alkyl of 1 to 3 carbon atoms, hydrogen, alkali metal, alkaline earth metal, ammonium, magnesium and a non-toxic, pharmaceutically acceptable organic amine, A is selected from the group consisting of hydrogen, alkali metal, alkaline earth metal, ammonium, magnesium and a non-toxic, pharmaceutically acceptable organic amine, R' and R'' are individually selected from the group consisting of hydrogen and alkyl of 1 to 3 carbon atoms with the <IMAGE> group in the syn position with the proviso that when R1 is -COOR1' and R1' is hydrogen, A is hydrogen and when R1 is -COOR1' and R1' is an alkali metal, alkaline earth metal, magnesium, ammonium or an organic amine, A is an alkali metal, alkaline earth metal, magnesium ammonium or an organic amine having antibiotic properties and novel intermediates and processes.
[US4288434A]
Patent IE-37717-L (IE)
Title: N-BENZHYDRYL-N'-p-HYDROXYBENZYL-PIPERAZINES.
IPC: C07D295/205
Filed: 1973-05-28
Abstract: The present invention relates to new, pharmaceutically valuable N-benzhydryl-N'-p-hydroxybenzyl-piperazines of the general formula:
[US3868377A]
Patent FI-814109-L (FI)
Inventor: NEDELEC LUCIEN
IPC: C07J21/00
Filed: 1981-12-21
Abstract: Novel steroids of the formula    <IMAGE>  I'  wherein R is selected from the group consisting of R1 and R2, R1 is selected from the group consisting of alkyl of 1 to 8 carbon atoms and alkenyl and alkynyl of 2 to 8 carbon atoms R2 is -(CH2)n-R3, n is an integer from 1 to 8 and R3 is selected from the group consisting of free or protected -OH, free or protected -NH2, monoalkyl and dialkylamino with 1 to 6 carbon atoms, a free, esterified or salified -COOH and halogen X and Y together form   <IMAGE>  or X is OH and Y is -CH2-CH2-COOM, M is selected from the group consisting of hydrogen, an alkali metal and -NH4, Ra is selected from the group consisting of hydrogen and methyl, the dotted line in the I(2)-position indicates the optional presence of a double bond and the wavy line indicates that R may be in the  alpha - or  beta -position, with the proviso that R is not R1 or R2 when n is 1 and R3 is halogen, when the 1(2) bond is a simple bond and when Ra is -CH3, R3 is not a free carboxyl when Y is -CH2-CH2-COOM in which M is an alkali metal or -NH4 and R3  is not a salified carboxyl when Y is -CH2-CH2-COOH having aldosterone antagonistic properties and increases aqueous sodium diuresis while conserving organic potassium without secondary hormonal effects and their preparation.
Patent FI-820075-L (FI)
Inventor: ALFORD BERNADETTE LAVETSKY
IPC: C12N15/81
Filed: 1982-01-11
Abstract: Living cells containing genetic material derived from recombinant DNA material and capable of expressing rennin, pre-prorennin and prorennin. The rennin, pre- prorennin and prorennin are derived from cells which are themselves or have had parents thereof treated by recombinant DNA methods to allow production of the desired anzymatic proteins during growth in culture.
Patent FI-832318-L (FI)
Inventor: BAILLY JEAN CLAUDE
IPC: C08F4/02
Filed: 1983-06-23
Abstract: The present invention relates to catalyst supports for the polymerization and co-polymerization of alpha-olefins, especially ethylene and propylene, consisting essentially of magnesium chloride, characterized in that these supports contain a chlorinated compound of aluminium in a quantity such that the atomic ratio of Al/Mg is comprised between 0.001 and 0.1 and that they occur in the form of spheroidal particles having a mean diameter by mass comprised between 10 and 100 microns and a narrow and controllable particle size distribution such that the ratio of the mean diameter by mass to the mean diameter by number of particles is less than or equal to 3, and also a process for the preparation of these supports.
Patent IE-811091-L (IE)
Title: Blood plasma precipitate
IPC: A61K35/16
Filed: 1981-05-15
Abstract: A precipitation process for the preparation of blood plasma constituents is disclosed, wherein the plasma to be fractionated and the precipitant are circulated in a closed system.
Patent IE-37972-L (IE)
Title: Mildew-resistant paper
IPC: C07D215/24
Filed: 1973-08-03
Abstract: 1429319 Fungicide dispersion UNITED STATES GYPSUM CO 2 Aug 1973 [14 Aug 1972] 36874/73 Heading A5E A stable aqueous dispersion comprises a fungicidally effective amount of a water-insoluble metal quinolate salt (e.g. the Cu salt), water, 2 to 40% by weight solids of a binder emulsion comprising a wax emulsion (e.g. paraffin wax emulsion), a wax-resin emulsion, a resin emulsion or a synthetic latex, and a minor amount of a colloidal suspending agent (e.g. xanthan gum, methyl cellulose, carboxymethyl-cellulose or an alginate). The dispersions find application in coating paper to provide fungicidal cover sheets for use in gypsum wallboard manufacture, or to provide fungicidal wallpaper.
[GB1429319A]
Patent IE-34737-L (IE)
Title: Arabinofuranosyl purines
IPC: C07H19/16
Filed: 1970-11-16
Abstract: Compounds of the formula WHERE R1 is amino or lower alkylamino, R2 is amino or hydrogen and pharmaceutically acceptable salts thereof, provided that when R1 is amino, R2 is amino. The compounds are useful as immune suppressants and as antivirals.
[US3666856A]
Patent IE-43488-L (IE)
Title: Guanidines.
IPC: C07D213/75
Filed: 1976-07-08
Abstract: The compounds correspond to the formula: <IMAGE> wherein R<1> and R<2> have the meanings given in Claim 1. They are prepared by the action of ammonia on a thiourea R<1>NHC(S)NHR<2> or on a thiouronium salt thereof in the presence of a catalyst or on a carbodiimide R<1>NCNR<2>; resulting bicyclo(2,2,1)-hept-5-enyl compounds can be reduced to the bicyclo(2,2,1)heptanyl compounds. The compounds and their salts have an antiviral activity, especially against rhinoviruses; they can be used for the treatment of rhinovirus infections, as well as for the specific suppression of growth of rhinoviruses in diagnostic investigations and in hospital laboratories.
[GB1492678A]
Patent IE-43039-L (IE)
Title: Disposable diaper
IPC: A61F13/15
Filed: 1976-07-27
Abstract: A disposable diaper comprising in order: A water-pervious layer; A spongy, resilient and compressible hydrophobic fibrous layer; An absorbent core; and A water impervious layer, Wherein said hydrophobic fibrous layer has a density of from about 0.01gm/cc to 0.03gm/cc and comprises non-woven, hydrophobic fibers having an average length of from about 1/4 in. to 31/2 , said fibers being bonded together at at least a substantial number of their points of contact. The hydrophobic fibrous layer is pervious to fluids in the uncompressed condition; however, when compressed, as by the bodily weight of an infant clothed with the diaper, the layer becomes impervious to fluids, the compressed fibers intermeshing to form a seal or barrier.[US3987792A]
Patent IE-33675-L (IE)
Title: Condiment dispenser set
IPC: A47G23/02
Filed: 1969-12-18
Abstract: 1293406 Condiment containers DART INDUSTRIES INC 19 Dec 1969 [20 Dec 1968] 62036/69 Heading A4A A container 42 for viscous foodstuff such as mustard comprises an open-topped vessel 46, a removable cover 54 in sealing engagement with the vessel and a removable closure cap 76 which mates with the cover 54 to seal the container. The vessel 46 has a side wall 44 terminating in an upper edge 50 which mates with an inverted groove, formed by walls 66, 68 and 70, in the cover 54. The cover 54 also has a central aperture surrounded by an upstanding neck portion 58. The cap 76 has side wall portions 82 stepped to provide a shoulder 84, the lower portion 82 and the shoulder 84 engaging the top of the neck portion 58. The cap has a flange formed with a tab 80 and carrying a hinge member 78 which engages with lugs 72 on the cover 54. A radially inwardly projecting shoulder 61 is provided at the base of the neck portion. A dispenser for granular condiments and a tray with recesses for receiving the container and dispensers are described.
[GB1293406A]
Patent IE-42124-L (IE)
Title: 17,21-diesters of the pregnane series
IPC: C07J43/00
Filed: 1975-07-30
Abstract: 17 alpha ,21-Diesters of 17 alpha ,21-dihydroxysteroids of the pregnane series corresponding to the formula I in which the symbols X, Y, R<1> and R<2> have the meaning stated in Claim 1 are prepared by reacting a compound which has the group -CH2OCO(CH2)nZ in position 21, where Z is a substituent which can easily be replaced, with a compound of the formula H-NR<3>R<4>. The compounds are distinguished not only by a good topical antiinflammatory effect but also by an excellent systemic antiinflammatory effect. <IMAGE>
[GB1516095A]
Patent IE-37022-L (IE)
Title: Convector air heater.
IPC: F28F1/32
Filed: 1972-12-19
Abstract: A convector for heating buildings consisting of horizontal convector modules spaced a distance apart, one above the other. Each convector module has heat-conducting tubes, onto which are forced lamella bodies, the side lugs of said lamella bodies being bent in such manner that they are parallel with the tubes. At the front and back of each convector module is attached a cover plate which is bent around the upper and lower edges of the bent side lugs.
[US3844340A]
Patent IE-44020-L (IE)
Title: 4-hydroxymethylimidazoles
IPC: C07D233/64
Filed: 1976-08-18
Abstract: ANDERSON-MENDELSON-WELLMAN CASE 1-2 An improved process for the preparation of 4-(hydroxymethyl)imidazoles by reducing 4-imidazolecarboxylic acid esters using an alkali metal or calcium in liquid ammonia with an additional proton source provided during the reaction or upon workup.
[CA1064940A]
Patent IE-851954-L (IE)
Title: Epstein-barr virus nuclear antigen
IPC: A61K39/395
Filed: 1985-08-07
Abstract: Antigens, immunogens, inocula, antibodies, diagnostic methods and systems relating to Epstein-Barr virus nuclear antigen (EBNA) are disclosed. Each of the compounds, compositions, methods or systems contains a synthetic, random copolymer polypeptide having about 6 to about 40 residues, or an antibody containing site that immunoreacts with such a polypeptide. The polypeptide includes the five amino acid residue sequence -Gly-R1-Gly-R2-Gly-, wherein R1 and R2 are the same or different amino acid residues selected from the group consisting of Ala, Asn, Arg, Gly, Leu, Pro, Ser, and Thr, with the provision that R1 and R2 are not both Gly. The polypeptide contains at least 25 mole percent Gly residues, and when linked to a carrier and introduced in an effective amount into a mammalian host is capable of inducing production of antibodies that immunoreact with EBNA.
Patent IE-41742-L (IE)
Title: Process for preparing acetoacetamide-n-sulphofluoride
IPC: C07C307/00
Filed: 1975-10-02
Abstract: Process for preparing acetoacetamide-N-sulfofluoride by reacting amidosulfofluoride at a temperature of from 50.degree. to 100.degree. C with diketene, optionally in the presence of inert solvents or diluents.[US4052453A]