Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7030187 | Cellulose copolymers that modify fibers and surfaces and methods of making same Cellulosic polymers, copolymers and grafts, are disclosed that adhere to fibers and surfaces during an aqueous treatment process. The cellulosic polymers having grafts and/or co-blocks are prepared using living-type free radical polymerization techniques, which prov... | 04/18/2006 |
| 6825272 | Golf ball A golf ball which is excellent in durability, sufficient to be used in a golf practice range, wherein the golf ball includes a core, a cover covering the core, and a mark printed on the surface of the cover, wherein: the cover is formed from a mixture of an ionomer ... | 11/30/2004 |
| 6803410 | Cellulose copolymers that modify fibers and surfaces Cellulosic polymers, copolymers and grafts, are disclosed that adhere to fibers and surfaces during an aqueous treatment process. The cellulosic polymers having grafts and/or co-blocks are prepared using living-type free radical polymerization techniques, which prov... | 10/12/2004 |
| 6596809 | Cellulose copolymers that modify fibers and surfaces and methods of making same Cellulosic polymers, copolymers and grafts, are disclosed that adhere to fibers and surfaces during an aqueous treatment process. The cellulosic polymers having grafts and/or co-blocks are prepared using living-type free radical polymerization techniques,... | 07/22/2003 |
| 6583219 | Hydrogel-forming system with hydrophobic and hydrophilic components A hydrogel forming system which comprises a hydrophobic macromer with unsaturated group terminated ends and a hydrophilic polymer which is a polysaccharide (e.g., dextran) containing hydroxy groups which are reacted with unsaturated group introducing comp... | 06/24/2003 |
| 6509104 | Antithrombogenic polymer coating An article having a non-thrombogenic surface and a process for making the article are disclosed. The article is formed by (i) coating a polymeric substrate with a crosslinked chemical combination of a polymer having at least two amino substituted side cha... | 01/21/2003 |
| 6495657 | Two dimensional polyamides prepared from unsaturated carboxylic acids and amines A polyamide and a process for preparing the polyamide are disclosed. The process comprises reacting in a reaction mixture a monomer selected from unsaturated carboxylic acids, esters of unsaturated carboxylic acids, anhydrides of unsaturated carboxylic ac... | 12/17/2002 |
| 6316535 | Coating system and method of applying the same An aqueous, two component system for coating a substrate includes either a filler incorporated in both components prior to combining the components or an elevated amount of a filler, such as 50% by dry volume, in either component. The filler is preferably... | 11/13/2001 |
| 6117925 | Thermoplastic processable starch or starch derivative polymer mixtures The present invention relates to thermoplastically processible esterification or transesterification products of starch or of starch derivatives with, for example, lactones, fatty acids, esteramides and the like, wherein the starch or the starch derivativ... | 09/12/2000 |
| 5936035 | Biocompatible adhesive compositions Collagen-based compositions useful in the attachment of tissues, or the attachment of tissues to synthetic implant materials, are disclosed. The compositions comprise collagen crosslinked using a multifunctionally activated synthetic hydrophilic polymer. ... | 08/10/1999 |
| 5814705 | Compositions that soften at predetermined temperatures and the method of making same The present invention provides a composition that softens at a predetermined temperature, preferably between about 20° C. and 90° C., and more preferably between about 20° C. and about 62° C., comprising at least one block copolymer having at least tw... | 09/29/1998 |
| 5583193 | Polysaccharide graft-polymers and the use in papermaking thereof A process for preparing a modified polysaccharide graft copolymer complex which comprises the steps of: i. subjecting polysaccharide to graft copolymerization with a vinyl monomer; ii. treating the polysaccharide graft copolymer with: a. polyethylene glycol to... | 12/10/1996 |
| 5510418 | Glycosaminoglycan-synthetic polymer conjugates Pharmaceutically acceptable, nonimmunogenic compositions are formed by covalently binding glycosaminoglycans or derivatives thereof, to hydrophilic synthetic polymers via specific types of chemical bonds to provide biocompatible conjugates. Useful glycosa... | 04/23/1996 |
| 5506300 | Compositions that soften at predetermined temperatures and the method of making same The present invention provides a composition that softens at a predetermined temperature, preferably between about 20° C. and 90° C., and more preferably between about 20° C. and about 62° C., comprising at least one block copolymer having at least tw... | 04/09/1996 |
| 5475052 | Collagen-synthetic polymer matrices prepared using a multiple step reaction The present invention discloses collagen-synthetic polymer matrices which are prepared using a multiple step reaction. The first step of the reaction generally involves reacting collagen with a functionally activated synthetic hydrophilic polymer to form ... | 12/12/1995 |
| 5324775 | Biologically inert, biocompatible-polymer conjugates Pharmaceutically acceptable, non-immunogenic compositions are formed by covalently binding biologically inactive, natural, biocompatible polymer to pharmaceutically pure, synthetic, hydrophilic polymers via specific types of chemical bonds to provide bioc... | 06/28/1994 |
| 5264515 | Moisture curable compositions and method of curing moisture curable compositions A moisture curable composition comprised of a moisture curable base and a curing agent which does not contain molecular water but which produces water upon activation so as to cure the curable base. The composition exhibits improved stability and shelf li... | 11/23/1993 |
| 5135965 | Hydrogel-forming polymers used in intraocular lenses Hydrogel-forming polymers for contact lenses and intraocular lenses having increased toughness despite high equilibrium water content comprise a hydrophilic monomer (e.g. an N-vinyl lactam) and a polyunsaturated polymeric cross-linking agent. UV-absorbers... | 08/04/1992 |
| 4886700 | Laminated composite of a rigid polyurethane modified polyisocyanurate substrate and metal, plastic, cellulose, glass, ceramic or combinations thereof Laminated composites including method for the preparation thereof comprising forming in combination in a mold at least one layer of a rigid polyurethane modified polyisocyanurate by reacting in said mold, a reaction mixture of an organic di- or polyisocya... | 12/12/1989 |
| 4879164 | Laminated composite of a rigid polyisocyanurate substrate and metal, plastic, cellulose, glass, ceramic or combinations thereof Laminated composites including methods for the preparation thereof comprising forming in combination in a mold at least one layer of a rigid polyisocyanurate by reacting in said mold a reaction mixture of an organic di- or polyisocyanate and a cyclic alky... | 11/07/1989 |
| 4865870 | Method for rendering a substrate surface antithrombogenic A method for heparinizing a substrate includes applying a coating of ammonium salt to a substrate by steeping the substrate in a solution of the salt at an alkaline pH and contacting the coated substrate with a solution of a salt of heparin.... | 09/12/1989 |
| 4654233 | Radiation-curable thermoplastic coating A coating composition is provided. The coating composition is a curable blend of ethylenically unsaturated polyester and ethylenically unsaturated thermoplastic polymers. The composition is capable of providing a thermoplastic, soluble, sandable, intermed... | 03/31/1987 |
| 4629774 | Post-treatment of synthetic fiber fabrics Synthetic fiber-containing fabrics are post-treated by impregnating the fabrics with an aqueous solution or dispersion of a thermally reactive blocked isocyanate group-containing polysaccharide derivative and then baking the impregnated fabrics. The block... | 12/16/1986 |
| 4600652 | Permanently bonded antithrombogenic polyurethane surface An antithrombogenic polyurethane polymer being bound to a support substrate wherein the antithrombogenic agent is reacted through an aldehyde group with an amine functionality of a polyurethane-urea to form the covalently bonded antithrombogenic material.... | 07/15/1986 |
| 4521564 | Covalent bonded antithrombogenic polyurethane material Antithrombogenic polyurethane polymers having the antithrombogenic material covalently bound to the polyurethane.... | 06/04/1985 |
| 4500676 | Hyaluronate modified polymeric articles Polymeric materials (and articles made therefrom) including polyurethanes, polyesters, polyolefins, polyamides, polysiloxanes, vinylic and acrylic polymers are rendered biocompatible by including with the polymeric material hyaluronic acid or a salt there... | 02/19/1985 |
| 4302368 | Nonthrombogenic articles and method of preparation The disclosure is of articles having reduced thrombogenicity and which are useful for purposes requiring their contact with whole blood. The articles comprise solid, polymeric resin substrates to which there is fixed a compound of the formula: ##STR1... | 11/24/1981 |
| 4280970 | Polyoxyethylene grafted membrane materials with grafting links derived from a diisocyanate Membrane forming polymers are converted to hydrophilic polymeric membranes by (a) grafting a polyoxyethylene chain to a membrane forming polymer structure and thereafter forming a membrane; (b) coating a membrane with a polymer to which a polyoxyethylene ... | 07/28/1981 |
| 4251404 | Acrylic graft copolymers and coating compositions thereof A graft copolymer having a polymeric backbone with pendent hydroxyl groups; wherein the hydrogen atom of at least the one the hydroxyl groups is replaced by the formula ##STR1## where R is an aliphatic group, a cycloaliphatic group or an aromatic ... | 02/17/1981 |
| 4012571 | Enzyme separation A reactive matrix comprises a co-enzyme chemically attached to a water insoluble organic polymeric support material. The reactive matrix may be used in a process for the separation of mixtures containing a plurality of enzymes.... | 03/15/1977 |
