Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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 |
| 7576160 | Electrocoat composition imparting sweat resistance and methods for using the same An electrodepositable coating composition comprising a cationic acrylic resin derived from an epoxy function acrylic resin and an IPDI trimer and coated substrates having improved sweat resistance are disclosed. Methods for using the coatings are also disclosed.... | 08/18/2009 |
| 7439309 | Silver halide photographic light-sensitive material, photographic emulsion, and mercapto group-containing polymer compound used for them Disclosed is a silver halide photographic light-sensitive material, which has at least one polymer compound having a nitrogen-containing aromatic ring having a mercapto group represented by the formula Z-SH wherein Z represents a nitrogen-containing aromatic ring as... | 10/21/2008 |
| 7427650 | Absorbing structure having improved blocking properties A process for producing an absorbing polymer structure (Pa) including the steps of obtaining a treated absorbing polymer structure (Pb) by increasing the absorption under load at a load of 0.3 or 0.9 psi (AUL) compared to an untreated absorbing polymer structure (Pu... | 09/23/2008 |
| 7402632 | 2-Component crosslink of end-functionalized polyacrylates Method for increasing the molecular weight of polyacrylates, in which polyacrylates, functionalized at least in part of their chain ends by functional groups X, are reacted with a compound having at least functional groups Y capable of linking reactions with functio... | 07/22/2008 |
| 7332459 | Method for scale inhibition in oil wells A method of inhibiting scale formation in a subterranean formation comprising: (a) injecting a suspension comprising particles of a controlled release scale inhibitor suspended in an aqueous medium into a formation through an injection well wherein the particles hav... | 02/19/2008 |
| 7235297 | Amphiphile solid support for peptide synthesis, bioorganic and organic chemistry The present invention fulfils desired specifications generally rarely encountered with existing solid supports such as highly amphiphile behaviour. The solid support described herein is a poly(ethylene or propylene)glycol based polymer that can be useful in solid an... | 06/26/2007 |
| 7169815 | 3-methoxybenzyl thiourea derivatives and improved lipid compositions containing same 1-(3-methoxybenzyl)-3-substituted thiourea antioxidant compounds and improved lipids compositions which are supplemented with amounts of such antioxidant compounds effective for augmenting oxidative stability of the base lipid are provided. Also provided are methods... | 01/30/2007 |
| 7138462 | Functionalized polymers for binding to solutes in aqueous solutions A functionalized polymer for binding a dissolved molecule in an aqueous solution is presented. The polymer has a backbone polymer to which one or more functional groups are covalently linked. The backbone polymer can be such polymers as polyethylenimine, polyvinylam... | 11/21/2006 |
| 7129299 | Sulphonated comb polymers having a selected lithium/sodium ratio and preparations including such polymers Water-soluble and/or water-dispersible comb polymers comprising a polymer main chain and polyester side-arms which contain sulfonic acid groups and which are linked to the polymer main chain via ester groups, wherein said side-arms have been at least partially neutr... | 10/31/2006 |
| 7053243 | 3-Methoxybenzyl thiourea derivatives and improved lipid compositions containing same 1-(3-methoxybenzyl)-3-substituted thiourea antioxidant compounds and improved lipids compositions which are supplemented with amounts of such antioxidant compounds effective for augmenting oxidative stability of the base lipid are provided. Also provided are methods... | 05/30/2006 |
| 7026408 | Sulphonated comb polymers and preparations, in particular hair cosmetic preparations, based on such sulphonated comb polymers Water-soluble and/or water-dispersible comb polymers consisting of a polymer main chain and polyester side-arms which contain sulphone groups and are linked to said polymer main chain via ester groups. ... | 04/11/2006 |
| 6933349 | Low odor insulation binder from phosphite terminated polyacrylic acid A binder composition, obtained by polymerizing acrylic acid monomer in water in the presence of a cure accelerator comprising an alkali metal salt of a phosphorous-containing inorganic acid to form a low molecular weight polyacrylic acid and subsequently reacting sa... | 08/23/2005 |
| 6794454 | Rubber composition for solid golf ball, method for producing the rubber composition, and solid golf ball Disclosed is a rubber composition for forming a core of a solid golf ball, the composition containing a base rubber (A); a filler (B); an organic peroxide (C); and a dry blend and/or a solvent slurry blend (D) of an unsaturated carboxylic acid metallic salt and a me... | 09/21/2004 |
| 6784256 | End-functionalized polymers by controlled free-radical polymerization process and polymers made therefrom A controlled free-radical polymerization process for forming end-functionalized polymers is disclosed, particularly by degenerative iodine transfer. The end-functionalized polymers are characterized by a polydispersity less than 2.5 and a predetermined molecular wei... | 08/31/2004 |
| 6753388 | Structurally-modified polymer flocculants This invention is directed to structurally-modified water-soluble polymers prepared by initiating polymerization of an aqueous solution of monomers under free radical polymerization conditions to form a polymer solution and adding at least one structural modifier to... | 06/22/2004 |
| 6720390 | Process for crosslinking of acrylic ester copolymers Disclosed is a process for crosslinking copolymers of acrylic esters by converting some of the ester groups to ester or amide groups which contain unsaturation, and then sulfur or peroxide curing the resulting polymers. The resulting crosslinked polymers often have ... | 04/13/2004 |
| 6617480 | Molecular weight-enlarged ligands for asymmetric, homogeneously soluble hydrogenation catalysts, process for the production thereof and use The present invention relates to a molecular weight-enlarged, homogeneously soluble ligand, which includes: an average molecular weight of at least 1000 g/mol; a molecular weight-enlarging polymer; optionally, a linker; and at least one homochiral a... | 09/09/2003 |
| 6605674 | Structurally-modified polymer flocculants This invention is directed to structurally-modified water-soluble polymers prepared by initiating polymerization of an aqueous solution of monomers under free radical polymerization conditions to form a polymer solution and adding at least one structural ... | 08/12/2003 |
| 6582791 | Pressure sensitive adhesives for use on low energy surfaces A vinyl graphic marking film or label coated with a pressure sensitive acrylic adhesive designed to achieve high or permanent adhesion to polymeric low energy surfaces is disclosed. In addition to good adhesion to low energy surfaces, the graphic marking ... | 06/24/2003 |
| 6551580 | Phosphonylated derivatives of aliphatic heterochain and acrylate polymers and applications thereof A variety of phosphonylated heterochain polymers are disclosed, including, most preferably, phosphonylated polymethyl methacrylate. For each polymeric composition the phosphorous atom of a phosphorous-containing functional group is covalently bonded to a ... | 04/22/2003 |
| 6395259 | Phosphonylated derivatives of aliphatic heterochain and acrylate erpolyms and applications thereof A variety of phosphonylated heterochain polymers are disclosed, including, most preferably, phosphonylated polymethyl methacrylate. For each polymeric composition the phosphorous atom of a phosphorous-containing functional group is covalently bonded to a ... | 05/28/2002 |
| 6395830 | Superabsorbants with controlled absorption speed The invention relates to hydrophilic, highly swellable polymers for aqueous fluids, e.g. superabsorbants, which are coated with reactive, water-insoluble, film-forming, hydrophobic polymers and an additional reactive constituent which can react with carbo... | 05/28/2002 |
| 6335398 | Super absorbent polymer composition A super absorbent polymer composition comprising a chelating compound (A) which has a site capable of forming a chelate with a copper ion and whose copper salt has a solubility in physiological saline at 25° C. of 0.01% by weight or less and a super abso... | 01/01/2002 |
| 6303706 | Resin composition for powder coating A resin composition for powder coating, which comprises the following components (A), (B) and (C): (A) a carboxyl group-containing resin having a number average molecular weight of from 1,000 to 20,000, an acid value of from 5 to 200 and a glass transitio... | 10/16/2001 |
| 6297327 | Elastomeric composition using monomeric distillate by-product The specification discloses a method for vulcanizing an elastomer using as the cure promoter the monomeric distillate by-product from the clay-based dimerization of an unsaturated fatty acid mixture, preferably a tall oil fatty acid mixture. The distillat... | 10/02/2001 |
| 6280557 | Pressure sensitive adhesives for use on low energy surfaces A vinyl graphic marking film or label coated with a pressure sensitive acrylic adhesive designed to achieve high or permanent adhesion to polymeric low energy surfaces is disclosed. In addition to good adhesion to low energy surfaces, the graphic marking ... | 08/28/2001 |
| 6248839 | Mercapto-containing block copolymers having polymethacrylic acid and polyalkylene oxide repeating groups The invention relates to polymethacrylate acid-polyalkylene oxide block copolymers, to a process for their preparation and to their use as dispersants or suspension stabilizers for pigments and fillers, e.g. for metal oxides in ceramic materials, for pigm... | 06/19/2001 |
| 6143835 | Polyacrylonitrile polymer treatment The present invention relates to a method for exchanging derivatizing agents onto ionic functional groups, preferably sulfate, sulfonate, and carboxylate functional groups, in a polymer, and then thereby holding these derivatizing agents in place by stron... | 11/07/2000 |
| 6114473 | Resin composition for powder coating A resin composition for powder coating, which comprises the following components (A), (B) and (C): (A) a carboxyl group-containing resin having a number average molecular weight of from 1,000 to 20,000, an acid value of from 5 to 200 and a glass transitio... | 09/05/2000 |
| 6111042 | Polyfunctional peroxides, vinyl monomer polymerization initiators comprising the same and process for polymerization vinyl monomers employing the same The novel polyfunctional peroxides are compounds represented by the following general formula (1): R1 -CX3 ( 1) wherein R1 represents a linear alkyl group having 1 to 3 carbon atoms; and... | 08/29/2000 |
| 5994023 | Acid-sensitive substance and photosensitive compositions therewith According to the present invention there is provided a polymer not comprising maleic acid derivatives having acid labile groups pendant from the polymer backbone, characterized in that said pendant groups are represented by --L--(C.dbd.O)--O--(C.dbd.O)--O... | 11/30/1999 |
| 5990238 | Release coating for adhesive articles and method A polymer includes an ethylene-containing backbone having substituents attached thereto, wherein the substituents include a urethane linked nitrogen-bonded hydrocarbon side chain having about 5 carbon atoms or more in length and a terminal methyl group; a... | 11/23/1999 |
| 5932689 | Formaldhyde-free compositions for nonwovens A formaldehyde-free curable composition useful for binding nonwovens comprises (a) a polyacid comprising at least two carboxylic acid groups, anhydride groups, or salts of the polyacid thereof; (b) an active hydrogen compound containing at least two active hyd... | 08/03/1999 |
| 5898043 | Powder coating composition The present invention provides a powder coating composition comprising a resin powder comprising a film-forming resin and a crosslinking agent capable of giving rise to a crosslinking reaction with the resin, wherein the resin powder has a volume-average ... | 04/27/1999 |
| 5874143 | Pressure sensitive adhesives for use on low energy surfaces A vinyl graphic marking film or label coated with a pressure sensitive acrylic adhesive designed to achieve high or permanent adhesion to polymeric low energy surfaces is disclosed. In addition to good adhesion to low energy surfaces, the graphic marking ... | 02/23/1999 |
| 5763524 | Curable aqueous composition and use as fiberglass non woven binder This invention relates to a formaldehyde-free curable aqueous composition containing a polyacid, a polyol and a phosphorous-containing accelerator. The composition may be used as a binder for heat resistant nonwovens such as nonwovens composed of fibergla... | 06/09/1998 |
| 5753774 | Functional group terminated polymers containing sulfonate group via sulfonation of ethylenically unsaturated polymers Disclosed is a process for producing water-dispersible polymers, particularly condensation polymers such as polyesters, polyethers and polyamides, by forming an ethylenically unsaturated polymeric precursor by condensation polymerization of reactants incl... | 05/19/1998 |
| 5753753 | Hydrolysis of polyvinyl aklaenoates This invention relates to an improved process for producing a vinyl alcohol containing polymer having a narrow particle size without substantial reactor fouling. The process for producing the vinyl alcohol containing polymer involves hydrolyzing a vinyl e... | 05/19/1998 |
| 5710213 | Process for polymerization reactions with functionalized peroxides Novel functionalized peroxides which may be used as crosslinking, grafting and curing agents, initiators for polymerization reactions and as monomers for condensation polymerizations to form peroxy-containing polymers, which in turn can be used to prepare... | 01/20/1998 |
| 5703175 | Caustic-stable modified polycarboxylate compound and method of making the same A surfactant-modified polymer and method of making the same. The surfactant-modified polymer has a polycarboxylate backbone with nonionic surfactant chemically associated therewith and is formed by the reaction of a reactant compound selected from the gro... | 12/30/1997 |
