Bizarre Patents
A gun that fires a missile, powered by gas "discharged by the operator of the toy."
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 |
| 6372813 | Methods and compositions for attachment of biomolecules to solid supports, hydrogels, and hydrogel arrays The present invention provides solid supports (e.g., glass) and polymer hydrogels (particularly polymer hydrogel arrays present on a solid support) comprising one or more reactive sites for the attachment of biomolecules, as well as biomolecules comprisin... | 04/16/2002 |
| 6342541 | Machinable positive image model material for shape deposition manufacturing A manufacturing method comprising the steps of forming at first solidified wax layer of a desired shape, depositing onto the first solidified wax layer at least one layer of a liquid resin formulation, solidifying the layer of liquid resin formulation, de... | 01/29/2002 |
| 6316505 | Pharmaceutical compositions comprising fluorinated co-polymers Block copolymers containing a fluorinated hydrocarbon unit, a hydrocarbon unit, and a poly(oxyethylene) unit are useful in fluid formulations of pharmaceutical agents. A typical embodiment is: C11 H23 --CONHC2 H4 NHC... | 11/13/2001 |
| 6303670 | Cellulose based coating composition curable with ultraviolet ray Disclosed is an ultraviolet-curable cellulosic coating composition comprising cellulose acetate, diepoxy compound and photo cationic polymerization catalyst. The objective is to provide a novel ultraviolet-curable cellulosic coating composition capable of... | 10/16/2001 |
| 6255385 | Polyhydroxy polymers substituted with styryl ether groups and gels and surfaces prepared from them A polyhydroxy polymer substituted with covalently linked alkene groups, characterized in that the alkene groups are styryl ether groups. A gel obtained by polymerization of a styryl ether substituted polyhydroxy polymer. A surface that has been hydrophili... | 07/03/2001 |
| 6201070 | Method for enhancing the toughness of cycloaliphatic epoxide-based coatings Methods are disclosed for enhancing the toughness, e.g., resistance to cracking upon flexation, of coatings made from cycloaliphatic epoxide derivatives wherein the cycloaliphatic epoxide derivative is a cycloaliphatic epoxide ester of a hydroxy-functiona... | 03/13/2001 |
| 6054492 | Fluorinated copolymeric pharmaceutical adjuncts Block copolymers containing a fluorinated hydrocarbon unit, a hydrocarbon unit, and a poly(oxyethylene) unit are useful in fluid formulations of pharmaceutical agents. A typical embodiment is: C11 H23 --CONHC2 H4 NHC... | 04/25/2000 |
| 5932539 | Biodegradable polymer matrix for tissue repair Novel biodegradable amphiphilic polymers are described. Preferred polymers have a lipophilic binding moiety coupled covalently to a hydrophilic tissue adhesion moiety through a divalent linker comprising a natural metabolite or a polymer biodegradable int... | 08/03/1999 |
| 5914381 | Degradable polymer and preparation process of the same A degradable polymer and a process for preparing the degradable polymer which has a structure resulting from combination of a star-shaped polymer comprising a polyfunctional base compound of polycarboxylic acid having three or more carboxyl groups and/or ... | 06/22/1999 |
| 5886124 | Liquid-absorbent polymer and gelatinoid product Disclosed are a liquid-absorbent polymer and a substantially clear gelatinoid product. The liquid absorbent polymer comprises a saponified graft copolymer of starch and a polynitrile species, such as polyacrylonitrile. In accordance with the disclosed inv... | 03/23/1999 |
| 5817728 | Preparation of degradable copolymers A preparation process of a degradable copolymer comprising carrying out dehydration polycondensation of polysaccharide (A) with one or more compounds (B) selected from the group consisting of: (b1) hydroxycarboxylic acid, (b2) polyhydroxycarboxylic acid, (b3) ... | 10/06/1998 |
| 5780568 | Starch derivatives grafted with aliphatic polyester, procedure for their production and their use The invention relates to a procedure, to a grafted starch derivative produced by this procedure and method of using it. In the procedure a starch or starch derivative is graft-copolymerized with a cyclic ester, producing a starch derivative grafted with a... | 07/14/1998 |
| 5763504 | Photcurable glycosaminoglycan derivatives, crosslinked glycosaminoglycans and method of production thereof Photocurable glycosaminoglycan (GAG) derivatives and crosslinked glycosaminoglycans, which are highly safe and biocompatible, a method of preparing such photocurable GAG derivatives readily moldable by casting using a solvent when desired, by which method... | 06/09/1998 |
| 5763557 | Grafting of a polymer onto cellophane by ultrasonic induced free radical polymerization The invention relates to the chemical bonding of a polymer/or polymers onto non-metallic substrates such as cellophane by ultrasonic techniques. The cellophane film is preactivated by contacting with silver nitrate solution followed by treatment with pota... | 06/09/1998 |
| 5760154 | Graft copolymers of unsaturated monomers and polyhydroxy compounds, a process for their production and their use The present invention relates to water-soluble, acid groups-containing graft copolymers which are at least partially biodegradable and are based on polyhydroxy compounds and monoethylenically unsaturated carboxylic acids, sulfonic acids and/or phosphonic ... | 06/02/1998 |
| 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 |
| 5525414 | Method and materials for coating synthetic textile compositions The present invention provides a method of preparing a sized synthetic fiber comprising the steps of (a) preparing a sizing composition for synthetic materials used in textile manufacturing comprising (i) a lubricant or wetting agent and (ii) a binder com... | 06/11/1996 |
| 5462976 | Photocurable glycosaminoglycan derivatives, crosslinked glycosaminoglycans and method of production thereof Photocurable glycosaminoglycan (GAG) derivatives and crosslinked glycosaminoglycans, which are highly safe and biocompatible, a method of preparing such photocurable GAG derivatives readily moldable by casting using a solvent when desired, by which method... | 10/31/1995 |
| 5433876 | Ion-conductive polymer and electrolyte additives Compounds are provided for use in an electrolyte comprising repeating unit selected from the group consisting of cyclic and heterocyclic species having y carbon atoms and z heteroatoms, X, and where y is 4, 5 or 6 and z is 0, 1 or 2. The heteroatom is sel... | 07/18/1995 |
| 5416181 | Reinforced films made from water soluble polymers A dried film reinforced with coalescable water insoluble polymer particles which are substantially noncoalesced is disclosed. Also disclosed are dried films reinforced with noncoalesced water insoluble polymer particles which are readily water dispersible... | 05/16/1995 |
| 5319048 | Non-caloric bulking agents for food for replacement of sugar or starch A new composition of matter that can be substituted as a bulking agent for sugar or starch to reduce the caloric content of foods comprising the polymeric product of the reaction of a water-soluble polyol with a di- or tri-epoxide, in water containing a w... | 06/07/1994 |
| 5274028 | Polyvinyl pyrrolidone-grafted coatings on preformed polymers In an improved method for producing a surface graft of a hydrophilic polymer upon a preformed solid or semi-solid polymer substrate having hydroperoxide groups along its surface, n-vinyl pyrrolidone is utilized as the surface-grafting monomer, the substra... | 12/28/1993 |
| 5219971 | Process for the preparation of fine-particle, water-swellable polysaccharide graft copolymers Fine-particle, water-swellable polysaccharide graft copolymers by prepared inverse suspension polymerization of 5 to 40 parts of polysaccharide and 95 to 60 parts of an olefinically unsaturated carboxylic acid, in which an aqueous phase which contains the... | 06/15/1993 |
| 5183872 | Process for the peparation of finely divided, water-swellable polysaccharide graft polymers Polysaccharide graft polymers are prepared by semi-continuous reverse-phase suspension polymerization, partial dewatering and crosslinking, wherein during and after the suspension polymerization, in which an aqueous solution of an at least partially neutr... | 02/02/1993 |
| 5180800 | Process for the preparation of finely divided, water-swellable polysaccharide graft polymers Finely divided polysaccharide graft polymers having a high absorption capacity for urine and water are prepared by semi-continuous reverse-phase suspension polymerization, in which an aqueous solution of an unsaturated carboxylic acid and an initiator is ... | 01/19/1993 |
| 5130395 | Salt stable starch graft polymers An aqueous, salt stable polymeric dispersion comprising the reaction product of a thinned, gelatinized starch and one or more vinyl monomers, said monomer(s) comprising at least 10% 1,3-butadiene by weight is disclosed.... | 07/14/1992 |
| 5130394 | Starch graft polymers A stable aqueous polymeric dispersion comprising a graft copolymer of thinned, gelatinized starch and one or more vinyl grafting monomers, the vinyl monomers including at least 10% by weight 1,3-butadiene is disclosed. Also disclosed are paper coating col... | 07/14/1992 |
| 5098977 | Methods and compositions for providing articles having improved biocompatability characteristics Improved articles having reduced thrombogenicity when in contact with blood products containing albumin and methods of their preparation and use are provided. The articles comprise at the surface of blood contact a water insoluble polymeric substrate mate... | 03/24/1992 |
| 5086144 | Acid-functional polymers derived from cellulose acetate butyrate unsaturated alcohol copolymers and coatings prepared from same Novel carboxylic acid-functional polymers are obtained by reacting: (a) a hydroxy-functional polymer having an average of at least two hydroxyl groups per molecule; and (b) a cyclic anhydride under reaction conditions to produce acid groups and ester groups; a... | 02/04/1992 |
| 5075401 | Method of making graft copolymers A graft copolymer is made by grafting, by a free radical reaction mechanism in aqueous solution, water soluble ethylenically unsaturated monomeric material on to a water soluble substrate having hydroxyl groups, and the free radicals are formed on the sub... | 12/24/1991 |
| 5049634 | Derivatized and/or crosslinked products from acetal- and aldehyde-containing polysaccharide graft polymers A derivatized graft polymer of a polysaccharide, a crosslinked graft polymer of a polysaccharide, and a derivatized and crosslinked graft polymer of a polysaccharide are prepared. The derivatized polymer has the structure Sacch-g-[(M--CH.dbd.N--Y)x | 09/17/1991 |
| 5037930 | Heterocyclic quaternized nitrogen-containing cellulosic graft polymers In this invention, at least two monomers are grafted onto hydroxy-containing cellulose polymer. The invention thus provides a polymer of a cellulose containing a hydroxy group on which is grafted, by replacement of the hydrogen atom of the hydroxy group, ... | 08/06/1991 |
| 5017670 | Methods and compositions for providing articles having improved biocompatibility characteristics Improved articles having reduced thrombogenicity when in contact with blood products containing albumin and methods of their preparation and use are provided. The articles comprise at the surface of blood contact a water insoluble polymeric substrate mate... | 05/21/1991 |
| 5003022 | Starch graft polymers A stable aqueous polymeric dispersion comprising a graft copolymer of thinned, gelatinized starch and one or more vinyl grafting monomers, the vinyl monomers including at least 10% by weight 1,3-butadiene is disclosed. Also disclosed are paper coating col... | 03/26/1991 |
| 4898921 | Conducting polymer films, method of manufacture and applications therefor Conducting polymer films comprising a polymer matrix with intercalated, bonded conducting polymers, prepared from a polysaccharide matrix and the monomer of conducting polymer, are useful as anti-static materials, optical filters, solid electrolytes, elec... | 02/06/1990 |
| 4859758 | Acid-functional polymers derived from cellulose ester-unsaturated alcohol copolymers, which are reacted with cyclic anhydrides Novel carboxylic acid-functional polymers are obtained by reacting: (a) a hydroxy-functional polymer having an average of at least two hydroxyl groups per molecule; and (b) a cyclic anhydride under reaction conditions to produce acid groups and ester groups; a... | 08/22/1989 |
| 4845162 | Curable phenolic and polyamide blends The present invention relates to a composition comprising a phenolic resin, as for example phenol formaldehyde, an active hydrogen containing polymer as for example a polyamide, and a curing agent, such as a polyepoxide.... | 07/04/1989 |
| 4831097 | Heterocyclic containing cellulosic graft polymers This invention relates to water soluble heterocyclic cationic graft polymers of cellulose containing units of the structure ##STR1## wherein R is the residue of a cellulosic polymer containing hydroxyl groups; R1 is hydrogen or methyl; R | 05/16/1989 |
| 4816540 | Cationic graft-copolymer A cationic graft-copolymer comprising a unit derived from a cationic derivative of a water-soluble linear polymers having a hydroxyl groups, namely, a cationic polysaccharide of the following formula (1) and the cationic derivative of polyvinylalcohol of the f... | 03/28/1989 |
| 4668510 | Iodophor composition New iodophors are provided which exhibit effective degerming of skin, nucous membranes of animals and surfaces of inanimate objects and which provide broad spectrum microbicidal action without toxicity or irritation. The iodophors of the invention are com... | 05/26/1987 |
