baber/WOPTO huggingface dataset:
Patent BR-112022021442-A2 (BR)
Title: Composto de fórmula (i), composição farmacêutica, processo de síntese para a fabricação de um composto de fórmula (i) e composto de fórmula (i) para uso
Inventor: EMMANUEL DEAU
IPC: A61K31/428
Filed: 2021-04-29
Abstract: OMPOSTO DE FÓRMULA (I), COMPOSIÇÃO FARMACÊUTICA, PROCESSO DE SÍNTESE PARA A FABRICAÇÃO DE UM COMPOSTO DE FÓRMULA (I) E COMPOSTO DE FÓRMULA (I) PARA USO. A presente invenção diz respeito a um composto de fórmula (I) em que R1 representa um grupo alquil (C1-C6), um anel espiro (C5-C11) bicíclico, um grupo fenil fundido, um grupo fenil substituído, um grupo R?-L-, em que L é uma ligação simples ou um grupo alcanodiil (C1-C3) e R? representa um grupo cicloalquil (C3-C8), um grupo cicloalquil (C6-C10) em ponte, um grupo heterocicloalquil (C3-C8) ou um grupo heteroaril (C3-C8) ou um grupo R?-L-, em que L é um grupo alcanodiil (C1-C3) e R? é um grupo fenil opcionalmente substituído e em que R2 representa um átomo de hidrogênio ou um grupo alquil (C1-C3) ou qualquer sal farmaceuticamente aceitável destes. A presente invenção diz respeito adicionalmente a uma composição compreendendo um composto de fórmula (I) e um processo para fabricar referido composto, bem como seus intermediários de síntese. Também diz respeito a referido composto para uso como um medicamento, em particular no tratamento e/ou prevenção de déficits cognitivos associados à síndrome de Down; doença de Alzheimer; demência; tauopatias; doença de Parkinson; transtorno de deficiência de CDKL5; síndrome de Phelan-McDermid; autismo; diabetes tipo 1 e tipo 2; metabolismo anormal de folato e metionina; osteoartrite; distrofia muscular de Duchenne; vários cânceres; neuroinflamação, anemia e infecções virais e unicelulares e para regular a temperatura corporal.
Patent BR-112023000835-A2 (BR)
Title: Método e aparelho de codificação de sinal de áudio multicanal
Inventor: ZHI WANG
IPC: G10L19/008
Filed: 2021-07-13
Abstract: MÉTODO E APARELHO DE CODIFICAÇÃO DE SINAL DE ÁUDIO MULTICANAL. São divulgados um método e aparelho de codificação de sinal de áudio multicanal (700). Sinais de áudio de canais P em um quadro atual de um sinal de áudio multicanal podem ser obtidos, onde os sinais de áudio dos canais P incluem sinais de áudio de pares de canais K (etapas 101, 201 e 501); as respectivas quantidades de bits dos pares de canais K são determinadas com base nas respectivas energia/amplitudes dos sinais de áudio dos canais P e uma quantidade de bits disponível (etapas 102 e 202); e os sinais de áudio dos canais P são codificados com base nas respectivas quantidades de bits dos pares de canais K para obter um bitstream codificado (etapa 103), para melhorar a qualidade da codificação.
Patent BR-112023003548-A2 (BR)
Title: Vírus adenoassociado para liberação de kh902 (conbercept) e usos do mesmo
Inventor: GUANGPING GAO
IPC: C07K14/71
Filed: 2021-09-02
Abstract: VÍRUS ADENOASSOCIADO PARA LIBERAÇÃO DE KH902 (CONBERCEPT) E USOS DO MESMO. A presente invenção refere-se a composições e métodos para expressar o agente antifator de crescimento celular endotelial vascular (VEGF) em uma célula ou indivíduo. Em algumas modalidades, a invenção fornece rAAVs compreendendo uma proteína do capsídeo (por exemplo, variantes AAV2, variantes AAV2/3 híbridas, variantes AAV8, etc.) e um transgene que codifica um agente anti-VEGF (por exemplo, KH902) e uma ou mais sequências reguladoras. Em algumas modalidades, as composições aqui descritas são úteis para o tratamento de indivíduos tendo doenças associadas à angiogênese ou atividade/sinalização aberrante do VEGF.
Patent BR-112023016968-A2 (BR)
Title: Composições adesivas que compreendem adesivos de base biológica e misturas para revestimento por cortina
Inventor: FELIPE VIZ RODRÍGUEZ
IPC: C09J189/00
Filed: 2022-02-22
Abstract: composições adesivas que compreendem adesivos de base biológica e misturas para revestimento por cortina. a presente invenção descreve composições adesivas livres de formaldeído inovadoras, em que as misturas adesivas compreendem a dita composição adesiva (componente a) e pelo menos um agente endurecedor (componente b), e sistemas adesivos em que a composição adesiva compreende adicionalmente um agente espessante (componente a) e pelo menos um agente endurecedor (componente b), os quais são isolados entre si. as ditas composições, misturas e sistemas adesivos podem ser usados para revestimento por cortina de um substrato e, em particular, para fabricação de madeira compensada por revestimento por cortina. a presente invenção também se refere a um processo para fabricar um material revestido ao aplicar a mistura adesiva por revestimento por cortina, a produtos revestidos, em particular madeira compensada, obtidos ou obteníveis pelo dito processo e a produtos revestidos, ou madeira compensada que compreendem a mistura ou composição adesiva da invenção.
Patent BR-112023017019-A2 (BR)
Title: Método para tratar um distúrbio atenuado por ativação de receptores muscarínicos, método para tratar psicose relacionada à demência em um paciente que precisa do mesmo e composição farmacêutica oral
Inventor: MILLER ANDREW
IPC: A61K9/16
Filed: 2022-02-23
Abstract: método para tratar um distúrbio atenuado por ativação de receptores muscarínicos, método para tratar psicose relacionada à demência em um paciente que precisa do mesmo e composição farmacêutica oral. são fornecidos no presente documento métodos para tratar um distúrbio atenuado por ativação de receptores muscarínicos em um paciente com 55 anos ou mais que precisa do mesmo. o método compreende administrar uma dose diária total entre 25 e 200 mg de xanomelina e/ou um sal da mesma e entre 5 e 30 mg de um sal de tróspio ao paciente, tal como uma dose diária total entre 100 e 200 mg de xanomelina e/ou um sal da mesma e entre 20 e 30 mg de um sal de tróspio. a presente revelação fornece também um método para tratar psicose relacionada à demência e um método que diminui o risco de recidiva em um paciente que tem psicose relacionada à demência.
Patent CZ-21395-A3 (CZ)
Title: Expansion bolt and process for producing thereof
Inventor: HAAGE MANFRED DIPL ING
IPC: E04B1/48
Filed: 1995-01-27
Abstract: The wall plug has at the front end an expanding cone (4) with a polygonal cross-section. It has on each polygon face an expanding shell (5) with a gap (7) towards the polygon face which corresponds roughly to the radial overhang (8) of the shell (5) relative to the diameter of the shaft. Each expanding shell is connected on its end side facing the rear end of the shaft part (2) by webs (6, 6') forming ideal break points. The polygonal faces pref. have a curvature with the same radius of curvature at each point. The shaft is made with the cone and shells from metal powder in the injection casing process using a binder system and subsequent binder removal and sintering. A slider is used to form the gaps (7).
Patent CZ-78395-A3 (CZ)
Inventor: DUSEK JAN ING CSC
IPC: E02F3/14
Filed: 1995-03-29
Abstract: Zařízení pro čištění písku ve vsakovacích vodárenských
nádržích sestávající z tělesa (5) čističe s vynašečem (2), za
kterým je v tělese (5) čističe upevněno sací ústí (3) opatřené
sacím kanálem (4) a těleso (5) čističe je opatřeno nosičem
(8)·
Patent CZ-78697-A3 (CZ)
Inventor: KOPIC JAROSLAV ING
IPC: B65B5/04
Filed: 1997-03-14
Abstract: Stroj na balení válcových předmětů do papíru
s esteticky utvářenými konci obsahuje vlastní
balicí zařízení /1/, zahrnující řídící systém
/11 / a balícíjednotku /12/, přičemž baleným
předmětem Je válcová dutinka balená alespoň
do jednoho papíru s možností přibalení papí- j rového pásku obsahujícího při rozbalení
explodující kapsli. Balicí jednotka /12/ obsahuje
zařízení /121/ pro zatlačení vzájemně
orientovaných komponent do balicí polohy v
balicím prostoru, které obsahuje dvě na čepech
výkyvné a odklopně uložená ramena
/1211/ s výsuvnými trny /1212/ uložena po
stranách vlastního balicího zařízení /1/, přítlačné
plechy /1221 a 1222/ suvně uložené
na vedení /122/ vlastního balicího zařízení
/1 / v balicí rovině a utahovací zařízení /123/
uložené v prostoru pod přítlačnými plechy
/1221 a 1222/ a obsahující dvojici dvouramenných
pák /1231/ uložených výkyvné na
čepech /1232/, přičemž mezi volnými konci
dvouramenných pák /1231 / je uložen ohebný
utahovací element /1233/.
Patent SK-17196-A3 (SK)
Title: Device for cooling supply air in an air-conditioning installation
Inventor: KANNINEN SEPPO K
IPC: F24F3/14
Filed: 1994-08-09
Abstract: PCT No. PCT/FI94/00342 Sec. 371 Date Apr. 19, 1996 Sec. 102(e) Date Apr. 19, 1996 PCT Filed Aug. 9, 1994 PCT Pub. No. WO95/04902 PCT Pub. Date Feb. 16, 1995The invention relates to an arrangement for cooling supply air in an air-conditioning installation, comprising a heat transfer device for transferring heat between supply air and exhaust air by means of heat transfer surfaces; and a humidifying device for humidifying heat transfer surfaces on the exhaust air side. In order that supply air could be cooled more efficiently, the heat transfer surfaces on the side of supply air and exhaust air are separated into separate heat exchangers; and the heat transfer surfaces are selected in such a way that the surface temperature of the heat transfer surfaces on the exhaust air side is close to the dew-point temperature of exhaust air.
Patent SK-19699-A3 (SK)
Title: Bioreactor
Inventor: SCHENK WOLFGANG
IPC: C02F3/10
Filed: 1997-08-16
Abstract: In a bioreactor (8) for conditioning water loaded with organic substances, in particular from car washing installations, the reactor container has a solid bed (48) made of a porous substrate material capable of adsorbing the organic substances contained in the waste water and sown with micro-organisms known per se which degrade the organic substances contained in the water. The solid bed (48) is located on a permeable substrate (47) and a water collecting chamber (46) is provided below the solid bed, upstream of the outlet for the treated water. The outlet (26) is at the same time designed as a backwashing inlet. An inlet (24) and a backwashing outlet (28) are provided above the solid bed (48).
Patent SK-21094-A3 (SK)
Title: N-sulfonyl-tetrahydro-/1,3/-dioxepino/5,6-b/azirines, methods and intermediates of their preparation and use
Inventor: DUMIC MILJENKO
IPC: C07D491/10
Filed: 1992-08-20
Abstract: Starting from cis-2-butene-1,4-diol, via the 4,7-dihydro-1,3-dioxepin and trans-6-acylamino-5-chloro-1,3-dioxepans the novel tetrahydro-[1,3]-dioxepino[5,6-b]azirines of formula (VI) were synthesized, and therefrom the novel hypoglycaemically active N-sulfonyl-tetrahydro-[1,3]-dioxepino[5,6-b]azirines of formula (I). The inventive compounds are valuable intermediates in the synthesis of other biologically active substances.
Patent SK-29793-A3 (SK)
Inventor: HRADSKY PETER
IPC: E02B7/40
Filed: 1993-04-05
Abstract: Riečne
prietokové
vzdúvadlo
pozostáva
z
plachty
(
1
),
kto
­
rá
je
na
ústí
uchytená
na
lírdle
vtokového
potrubia
(3),
na
dne
prítoku
a
na
brehovej
strane
na
kovových
rúrach
(2).
Na
protiľahlej
strane
od
kotviaceho
brehu
je
na
vtákovom
potrubí
(3)
pohyblivé
odklápacie
rameno
(4).
Plachta
(1)
je
pozdĺžne
vystužená
oceľovým
pletencom
na
protiľahlej
strane
brehu
Patent SK-44399-A3 (SK)
Title: Reconstituted human anti-hm1.24 antibody
Inventor: ONO KOICHIRO
IPC: C12P21/08
Filed: 1997-10-03
Abstract: A reshaped human anti-HM 1.24 antibody comprising:     (A) an L chain comprising     (1) the C region of a human L chain, and (2) the V region of an L chain comprising the FR of a human L chain and the CDR of the L chain of a mouse anti-HM 1.24 monoclonal antibody; and     (B) an H chain comprising     (1) the C region of a human H chain, and (2) the V region of an H chain comprising the FR of a human H chain and the CDR of the H chain of a mouse anti-HM 1.24 monoclonal antibody.     Since most of this reshaped human antibody is derived from human antibody and the CDR has a low antigenicity, the reshaped human antibody of the present invention has a low antigenicity and, therefore, is expected to be used for medical treatment.
Patent SK-53797-A3 (SK)
Title: Paint coating device
Inventor: DIETRICH GUNTER
IPC: B05B12/20
Filed: 1994-10-31
Abstract: A device is disclosed for applying a coat of paint on profiled bars (5), in particular made of plastics, used in windows. In a paint-spraying installation, two masks (14) co-operate with the profiled bars (5) that are to be partially coated.
Patent SK-60197-A3 (SK)
Title: Castable refracory composition and methods of making refractory bodies
Inventor: KRIECHBAUM GANGOLF W
IPC: B05D7/22
Filed: 1997-05-13
Abstract: A castable refractory composition comprising: (a) 50-90 volume percent coarse particulates having a particle size between about 1 and 60 mm; and (b) 10-40 volume percent fine filler materials having a particle size distribution of between 0.0001 to 3 mm.
Patent SK-76996-A3 (SK)
Title: Di-tert-butylphenol compounds useful as anti-inflammatory agents
Inventor: HUDEC THOMAS T
IPC: A61K31/12
Filed: 1994-12-16
Abstract: The subject invention involves compositions comprising: (a) a safe and effective amount of a compound having structure (i), wherein n is an integer from 1 to about 5, m is an integer from 0 to about 3, -R is hydrogen or straight or branched chain C1-C3 alkanyl; and (b) a pharmaceutically-acceptable carrier. The subject invention also involves methods for treating diseases characterized by inflammation and/or pain, such as rheumatoid arthritis and osteoarthritis, by administration of a safe and effective amount of this compound to a human or lower animal in need of such treatment.
Patent CH-641002G-A3 (CH)
Title: Device for controlling the functions of an electronic watch
IPC: G04C3/00
Filed: 1980-10-14
Abstract: The device comprises a piezoelectric sensor (201) formed from a polyvinylidene fluoride (PVDF) film mechanically coupled to the casing of the device. The sensor reacts selectively to the strains resulting from the mechanical stresses exerted by the user on an element (204) of the casing or on the latter and delivers an electrical signal dependent on these strains. Electronic means make it possible to separate the useful signals from the unwanted signals and deliver a signal capable of controlling the electronic functions of the device. <IMAGE>
Patent CH-613352G-A3 (CH)
IPC: G02F1/133
Filed: 1977-07-26
Abstract: An instrument having a liquid crystal display disposed behind a glass cover and separated from the cover by a hollow space. The hollow space is filled with an immersion medium to which is added a substance imparting thixotropic properties to the immersion medium. The added substance has a refractive index comparable to that of the immersion medium.
Patent CZ-324792-A3 (CZ)
Inventor: ZDARSKY JOSEF
IPC: F22B31/00
Filed: 1992-10-29
Abstract: Kotel (1) je tvořen pláštěm (5), spalinovou komorou (17),
kondenzační komorou (3) a spalovací komorou (2), která je
vyložena izolačním materiálem (6) a je v ní upraven kvádr
(7) izolační hmoty, ke kterému přiléhá kryt s nosem (8), navazující
na dno (18) kondenzační komory (3) s odvaděčem
(19) kondenzátu, nad kterýmje umístěna spalinová komora
(17) s průchodem (20), zarážkou (16), vzduchovou klapkou
(15) a ventilátorem (14). Ve spodní části spalovací komory
(2) je uložen planžetový hořák (11) s difusory (13) a rozvaděčem
(12) s tryskami (21). Ve spalovací komoře (2) a
kondenzační komoře (3) jsou rozmístěny žebrované trubky
(4), na nichž jsou uloženy spojky (9) s objímkami (10).
Patent CZ-337891-A3 (CZ)
Inventor: BREZINA FRANTISEK DOC RNDR
IPC: A61K31/28
Filed: 1991-11-07
Abstract: Kolchiceiny (I,II) tvoří stabilní kovové komple- xy, které
mohou být použity pro vylučování těž- kých kovů z organismu.
Chelátové komplexy kol- chiceinů s Cu2+ ionty mohou
být použity k léčení nemocí dosud léčených kolchicinem,
demekolcinem nebo deacetylkolchiceinem.
Patent CZ-104394-A3 (CZ)
Title: Combination of a foil coated with adhesive sensitive to pressure and plasticized polyvinyl chloride substrate
Inventor: KINZER KEVIN E
IPC: C08L23/06
Filed: 1992-11-03
Abstract: A microporous olefing substrate coated with pressure sensitive adhesive. The microporous olefin substrate has the property of entrapping a plasticizer migrating from plasticized polymeric surfaces to which it is applied, particularly plasticized polyvinylchloride. The microporous olefin substrate is preferably formed of a high molecular weight polyolefin such as a microporous high molecular weight polyethylene. The sheeting preferably is heat resistant so that it does not distort, crease or wrinkle when applied to a plasticized surface and exposed to elevated temperatures such as 400  DEG F (204  DEG C).
Patent CZ-132998-A3 (CZ)
Title: Micro-structured cosmetic composition and process for preparing thereof
Inventor: FANKHAUSER PETER
IPC: A61Q5/12
Filed: 1998-04-29
Abstract: The present invention provides a microstructured cosmetic composition comprising:     A) a cosmetically acceptable oil phase which is dispersed in;   B) an aqueous phase comprising 0.05 to 3.0, preferably 0.2 to 1.0 % by weight, based on the weight of the total composition, of a β-1,3-glucan having a mean molecular weight within the range of from 1. 106 to 12.106, preferably from 2. 106 to 10.106;    the oil phase A) in the microstructured cosmetic composition having a mean particle size within the range of from 0.05 to 1000 microns.
Patent CZ-155297-A3 (CZ)
Title: Transportation monitoring system for vehicles
Inventor: PEDERSEN HEINE EWI
IPC: G08G1/017
Filed: 1995-11-21
Abstract: To protect and watch transport units consisting of a towing unit and one or more transported or transporting units, the towing unit has a data processing system (1) capable of communicating with the outside world via communications and GPS satellites (45) and/or a GSM system (39) and with tags (10B) burried in a road. The transporting or transported unit or units additionally have a data processing system (15) capable of communicating with a data processing system (1) in the towing unit via a wireless interface (7) or interface (8). The data processing system in the transporting or transported unit or units is moreover interfaced with an aerial (16) capable of communicating with tags in a road or surfaces (10B) or tags (10A) located in the top of transporting or transported units. A system designed as described above provides the advantage that a cargo or a transport unit can always be positioned and watched.
Patent CZ-175093-A3 (CZ)
Title: Device for discontinuous feeding of liquid substances
Inventor: HARREITHER RUPERT ING
IPC: B29B9/00
Filed: 1993-08-25
Abstract: Device for metering out liquid substances having a substance distributor (1) on which can be moved an endless sleeve (7, 17) with a multiplicity of continuous bores (11) through which the substances can pass, the substance distributor having a distributing channel (19) to which the substance is fed and being connected via a feed (24), especially having a multiplicity of bores, to an outwardly open recess (25) which extends transversely to the direction of movement of the sleeve via which the substances can be delivered downwards, in a metered fashion, through bores (11) in the sleeve onto a conveying device (14), a distributing pipe (20) being arranged in the distributing channel (19) and along it and having an outlet through which the substances can pass into the distributing channel (19), which is arranged at some distance from the feed (24) leading to the recess and can cause the substances to flow transversely to the distributing pipe (20). Figure 3 is intended for publication with the abstract. <IMAGE>
Patent CZ-200236-A3 (CZ)
Title: Sheet-like means
Inventor: DIRKSING ROBERT STANLEY
IPC: A61Q19/00
Filed: 2000-06-30
Abstract: The present invention relates to pre-formed, unilamellar, sheet-like devices (10, 110, 210, 310, 410, 510, 610, 710, 810) for delivering benefit agents to the skin, hair or nails. The devices are patches or masks for cosmetic or therapeutic use. The devices have a non-planar topography on at least one surface (14, 114, 214, 314, 414, 514, 614, 714, 814; 16, 116, 216, 316, 416, 516, 616, 716, 816) and are less obtrusive. The present invention also encompasses methods of producing such devices.
Patent CZ-201832-A3 (CZ)
Inventor: CHEN XIHONG
IPC: B61F5/52
Filed: 2016-01-21
Abstract: Nosná konstrukce (1) obsahuje nosník (10) na levé straně, nosník (9) na pravé straně a příčný nosník (2), mající konstrukci ve tvaru bubnové skříně. Průchozí otvor pro namontování trakční základny je uspořádán ve středu příčného nosníku (2). První podélná drážka (12) a druhá podélná drážka (13), obě ve tvaru "∩", jsou uspořádány ve středu spodní části příčného nosníku (2). Nízkopolohové trakční zařízení obsahuje horní těleso (22) základny, spodní těleso (23) základny, první spojovací základnu (24), druhou spojovací základnu (26) a sestavu (25) trakční tyče. Třetí průchozí otvor pro namontování univerzálního hřídele je uspořádán mezi horním tělesem (22) základny a spodním tělesem (23) základny. První podélná drážka (12) a první spojovací základna (24) vytvářejí první průchozí otvor pro namontování univerzálního hřídele. Druhá podélná drážka (13) a druhá spojovací základna (26) vytvářejí druhý průchozí otvor pro namontování univerzálního hřídele. Po smontování je sestava (25) trakční tyče umístěna pod nosnou konstrukcí (1). Z této nosné konstrukce (1) a z tohoto nízkopolohového trakčního zařízení je vytvořen podvozek, který dále zahrnuje hnací jednotku obsahující středový univerzální hřídel a dvě převodovky, každou na vlastním polohovacím hřídeli. Ze shora objasněného podvozku, včetně shora objasněné nosné konstrukce a včetně shora objasněného nízkopolohového trakčního zařízení, je pak sestaveno železniční vozidlo.
Patent CZ-202163-A3 (CZ)
Inventor: Valášek Michael
IPC: G05B5/00
Filed: 2021-02-11
Abstract: Způsob pro řízení deformace nosné konstrukce spočívá v tom, že se vytvoří s rámem spojená pomocná konstrukce souběžná se základní nosnou konstrukcí a obě konstrukce se spojí alespoň jedním aktuátorem, stanoví se poloha připojovacích bodů aktuátoru k základní nosné konstrukci vůči rámu, a podle deformace základní nosné konstrukce se stanoví potřebný silový účinek, kterým se působí prostřednictvím aktuátoru na základní nosnou konstrukci pro změnu její deformace. Zařízení pro řízení deformace nosné konstrukce podle tohoto vynálezu spočívá v tom, že je tvořeno pomocnou konstrukcí (2) souběžnou se základní nosnou konstrukcí (1) a spojenou se základní nosnou konstrukcí (1) alespoň jedním aktuátorem (3), přičemž pomocná souběžná konstrukce (2) a základní nosná konstrukce jsou spojeny s rámem (10). Základní nosná konstrukce (1) je opatřena čidlem (11) polohy základní nosné konstrukce (1) a/nebo čidlem (19) stavu okolí. Pomocná souběžná konstrukce (2) je opatřena čidlem (12) polohy pomocné souběžné konstrukce (2).
Patent CZ-206894-A3 (CZ)
Title: Peptides active against virus hepatitis c
Inventor: PIKE IAN
IPC: C12Q1/68
Filed: 1993-02-26
Abstract: This invention relates to a novel peptide, having the sequence as shown in SEQ ID NO's: 1 and 2, capable of binding to antibody specific for parenterally transmitted non-A non-B hepatitis (PT-NANBH), in particular (HCV) and the use of such a peptide in an immunoassay for the detection of HCV or a vaccine for its prevention.
Patent CZ-218095-A3 (CZ)
Title: Process of grinding decor on cased glass
Inventor: MACHEK STANISLAV
IPC: B24B1/00
Filed: 1995-08-25
Abstract: The invented novel process of cutting decoration on cased glass is carried out in such a manner that first a net of vertical and horizontal cuts is cut and on cut area bands, the bands with deep cut are cut in alternate manner and in vertical direction on the cut area bands and in bands with fine or mat decoration first a round lens is ground by a rotund wheel, the lens is chemically polished and on the polished surface a fine or mat decoration is cut.