Source: https://patents.google.com/patent/US5687591?oq=flatulence
Timestamp: 2018-03-21 17:10:20
Document Index: 168226097

Matched Legal Cases: ['art 1995', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 60']

US5687591A - Spherical or polyhedral dry cleaning articles - Google Patents
Spherical or polyhedral dry cleaning articles Download PDF
US5687591A
US5687591A US08543970 US54397095A US5687591A US 5687591 A US5687591 A US 5687591A US 08543970 US08543970 US 08543970 US 54397095 A US54397095 A US 54397095A US 5687591 A US5687591 A US 5687591A
US08543970
Michael Peter Siklosi
Substrate--The carrier herein is in the form of a soft, compressible spherical (or polyhedral) body which substantially maintains its structural integrity throughout the cleaning process. Such spheres (or polyhedra) can be prepared, for example, using well-known methods for manufacturing non-woven sheets, paper towels, fibrous batts, cores for bandages, diapers and catamenials, and the like, using materials such as wood pulp, cotton, rayon, polyester fibers, and mixtures thereof. Woven cloth may also be used, but is not preferred over non-wovens due to cost considerations. The hydroentangled absorbent material available from Dexter, Non-Wovens Division, The Dexter Corporation as HYDRASPUN®, especially Grade 10244, is preferred herein. Most preferably, the compressible carrier is prepared from absorbent natural or synthetic sponges, absorbent open-cell foams such as polyurethane, and the like.
The flexible container used herein can be provided in any number of configurations, and is conveniently in the form of a flexible pouch, or "bag", which has sufficient volume to contain the fabrics being cleaned. The container can be of any convenient size, and should be sufficiently large to allow tumbling of the container and fabrics therein, but should not be so large as to interfere with the operation of the tumbling apparatus. With special regard to containers intended for use in hot air clothes dryers, the container must not be so large as to block the air vents. If desired, the container may be small enough to handle only a single shirt, blouse or sweater, or be sufficiently large to handle a man's suit. Suitable containers can be manufactured from any economical material, such as polyester, polypropylene, and the like, with the proviso that it must not melt if used in contact with hot dryer air. It is preferred that the walls of the container be substantially impermeable to water vapor and solvent vapor under the intended usage conditions. It is also preferred that such containers be provided with a sealing means which is sufficiently stable to remain closed during the cleaning process. Simple tie strings or wires, various snap closures such as ZIP LOK® closures, and VELCRO®-type closures, contact adhesives, adhesive tape, zipper-type closures, and the like, suffice.
______________________________________Ingredient        % (wt.)______________________________________BPP*              7.01,2-octanediol    0.5PEMULEN TR-1**    0.15KOH               0.08Perfume           0.75Water and Minors***             Balance______________________________________ *Isomer mixture, available from Dow Chemical Co. **PEMULEN TR2, B. F. Goodrich, may be substituted. ***Includes preservatives such as KATHON ®.
As shown in FIG. 2, a flat sheet (2) of flexible plastic with a patch of Velcro®-type fastener is provided as a sealing means (3). A bag is formed by folding the sheet and bonding along border (4). As shown in FIG. 3, closure flap (5) with sealing means (3) allows closing and sealing of the bag by imposing sealing means (3) onto contact surface (6). In a typical mode, 3 to 10, preferably 5 to 10, dry cleaning spheres (1) of the type described in Example I are placed in the plastic bag having a volume of about 25,000 cm3, as shown in FIG. 3. Up to about 2 kg of dry garments to be cleaned are then placed in the bag. When the garments and the dry cleaning spheres are placed in the bag, the air is preferably not squeezed out of the bag before closing and sealing. This allows the bag to billow, thereby providing sufficient space for the fabrics and cleaning spheres to tumble freely together. The bag is then closed, sealed and placed in a conventional hot-air clothes dryer. The dryer is started and the bag is tumbled for a period of 20-30 minutes at a dryer air temperature in the range from about 50° C. to about 85° C. During this time, the dry cleaning spheres move freely, thereby providing effective contact with the fabrics. After the machine cycle is complete, the bag and its contents are removed from the dryer, and the spent dry cleaning spheres are discarded. The plastic bag is retained for re-use. The fabrics are cleaned and refreshed. The water present in the cleaning composition serves to minimize wrinkles in the fabrics.
______________________________________Ingredient         % (wt.) Formula Range______________________________________BPP*               5-25%1,2-Octanediol     0.1-7%MgAE.sub.1 S       0.01-0.8%MgAE.sub.6.5 S     0.01-0.8%C.sub.12 Dimethyl Amine Oxide              0.01-0.8%PEMULEN**          0.05-0.20%Perfume            0.01-1.5%Water              BalancepH range from about 6 to about 8.______________________________________ *Other solvents or cosolvents which can be used herein include various glycol ethers, including materials marketed under trademarks such as Carbitol, methyl Carbitol, butyl Carbitol, propyl Carbitol, and hexyl Cellosolve, and especially methoxy propoxy propanol (MPP), ethoxy propoxy propanol (EPP), propoxy propoxy propanol (PPP), and all isomers and mixtures, respectively, of MPP, EPP, and PPP, and the like, and mixtures thereof. Indeed, although somewhat less preferred, the MPP, EPP and PPP, respectively, can replace the BPP solvent in the foregoing cleaning compositions. The levels of these solvents, and their ratios with 1,2octanediol, are the same as with the preferred BPP solvent. If desired and having due regard for safety and odor for inhome use, various conventionl chlorinated and hydrocarbon dry cleaning solvents may also be used. Included among these are 1,2dichloroethane, trichloroethylene, isoparaffins, and mixtures thereof. **As disclosed in U.S. Pats. 4,758,641 and 5,004,557, such polyacrylates include homopolymers which may be crosslinked to varying degrees, as well as noncrosslinked. Preferred herein are homopolymers having a molecular weight in the range of from about 100,000 to about 10,000,000, preferably 200,000 to 5,000,000.
15-25 Grams of a composition of the foregoing type are placed on 5-10 carrier spheres for use in the manner disclosed herein. A preferred carrier substrate used to produce the spheres comprises a binderless (or optional low binder), hydroentangled absorbent material, especially a material which is formulated from a blend of cellulosic, rayon, polyester and optional bicomponent fibers. Such materials are available from Dexter, Non-Wovens Division, The Dexter Corporation as HYDRASPUN®, especially Grade 10244. The manufacture of such materials forms no part of this invention and is already disclosed in the literature. See, for example, U.S. Pat. Nos. 5,009,747, Viazmensky, et al., Apr. 23, 1991 and 5,292,581, Viazmensky, et al., Mar. 8, 1994, incorporated herein by reference. Preferred materials for use herein have the following physical properties.
5-10 Spheres of the foregoing type are placed together with the fabrics to be dry cleaned in a flexible containment bag having dimensions as noted hereinabove and sealing means. In a preferred mode, the containment bag is constructed of thermal resistant film in order to provide resistance to hot spots (350° F.-400° F.; 177° C. to 204° C.) which can develop in some dryers. This avoids internal self-sealing and external surface deformation of the bag, thereby allowing the bag to be re-used.
US08543970 1995-06-20 1995-10-17 Spherical or polyhedral dry cleaning articles Expired - Fee Related US5687591A (en)
US49319995 true 1995-06-20 1995-06-20
US08543970 US5687591A (en) 1995-06-20 1995-10-17 Spherical or polyhedral dry cleaning articles
CA 2225538 CA2225538A1 (en) 1995-06-20 1996-06-04 Spherical or polyhedral dry cleaning articles
EP19960917036 EP0833888A1 (en) 1995-06-20 1996-06-04 Spherical or polyhedral dry cleaning articles
PCT/US1996/008502 WO1997000939A1 (en) 1995-06-20 1996-06-04 Spherical or polyhedral dry cleaning articles
JP50385197A JPH11508162A (en) 1995-06-20 1996-06-04 Cleaning articles of the spherical or polyhedral
US49319995 Continuation-In-Part 1995-06-20 1995-06-20
US5687591A true US5687591A (en) 1997-11-18
ID=27051004
US08543970 Expired - Fee Related US5687591A (en) 1995-06-20 1995-10-17 Spherical or polyhedral dry cleaning articles
US (1) US5687591A (en)
EP (1) EP0833888A1 (en)
JP (1) JPH11508162A (en)
CA (1) CA2225538A1 (en)
WO (1) WO1997000939A1 (en)
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US9109325B2 (en) 1997-08-27 2015-08-18 Bruce Albert Yeazell Bagless dry cleaning kits and processes for dry cleaning
WO1997000939A1 (en) 1997-01-09 application
EP0833888A1 (en) 1998-04-08 application
CA2225538A1 (en) 1997-01-09 application
JPH11508162A (en) 1999-07-21 application
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DESMARAIS, THOMAS ALLEN;SIKLOSI, MICHAEL PETER;REEL/FRAME:008532/0660;SIGNING DATES FROM 19960108 TO 19960304