...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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 |
| 8153740 | Ampholytic copolymer and use thereof The present invention relates to an ampholytic copolymer, to polyelectrolyte complexes which comprise such an ampholytic copolymer, and to cosmetic or pharmaceutical compositions which comprise at least one ampholytic copolymer or one polyelectrolyte complex. ... | 04/10/2012 |
| 8124701 | Functionalized (meth)acrylic monomers and polymers for acetylenic alcohols The invention is directed to novel 1,2,3-triazoles containing (meth)acrylate monomers of formulae (I) and (II) Wherein R, R1, R2, X and p defined herein and the process of making said monomers and (co)... | 02/28/2012 |
| 8124702 | Stabilizer for polyolefin resin and stabilized polyolefin resin composition A stabilizer containing a copolymer (A) obtained by polymerizing an unsaturated monomer mixture including 1 to 50 parts by mass of ethylenically unsaturated monomer (a) (formula (I)) having a piperidyl group in a molecule, 50 to 99 parts by mass of at least one mono... | 02/28/2012 |
| 8039568 | Anionic ethyl methacrylate copolymers and use thereof The present invention relates to copolymers which comprise ethyl methacrylate, at least one α,β-ethylenically unsaturated amide group-containing compound and at least one monoethylenically unsaturated carboxylic acid in copolymerized form, to cosmetic and pharmace... | 10/18/2011 |
| 8034888 | Amphoteric ethyl methacrylate copolymers and use thereof The present invention relates to amphoteric copolymers which comprise ethyl methacrylate, if appropriate a N-vinyllactam compound, at least one monoethylenically unsaturated carboxylic acid and at least one compound with α,β-ethylenically unsaturated double bond a... | 10/11/2011 |
| 7989569 | Polyvinyl pyrrole host material, luminescent layer comprising the same, and organic electroluminescent device comprising the luminescent layer Provided are a polyvinyl pyrrole host material emitting highly efficient phosphorescence, a luminescent layer using the material, and an organic electroluminescent display device. The polyvinyl pyrrole host material shows highly efficient luminescence having improve... | 08/02/2011 |
| 7807765 | Heterocyclic latex copolymer and methods of making and using same A latex copolymer composition comprising >5 wt % of polymerized units derived from a monomer X containing an unsaturated heterocycle, wherein the latex copolymer composition comprises ≦1,000 ppm of residual monomer X is disclosed. Also disclosed are methods of mak... | 10/05/2010 |
| 7632904 | High refractive-index, hydrophilic, arylsiloxy-containing monomers and polymers, and ophthalmic devices comprising such polymers Hydrophilic, arylsiloxy-containing monomers and macromonomers have at least a terminal hydrophilic group attached to an arylsiloxy group. The aryl groups attached to siloxy groups can be substituted with other hydrophilic groups. Polymers comprising such hydrophilic... | 12/15/2009 |
| 7576165 | Heterocycle grafted monomers and related polymers and hybrid inorganic-organic polymer membranes Polymers, polymer precursors, and other materials are described, having at least one heterocycle and being useful for fabrication of proton-exchange membranes (PEMs). In representative examples, the heterocycle is a fluorinated imidazole ring. The heterocycle can be... | 08/18/2009 |
| 7534846 | Onium-modified polymer and method for manufacturing same Onium-modified polymers, such as polyethers and alkylimidazolium-modified polymers are provided. The polymers have desirable properties such as moisture absorbing capability, low volatile organic compounds (VOCs) emission, and enhanced electrical conductivity. A met... | 05/19/2009 |
| 7423074 | Polysiloxane prepolymers for biomedical devices A polysiloxane copolymer that is useful for forming biomedical devices comprises blocks (I) and (II) and is terminated at each end with an ethylenically unsaturated radical: (*Dii*Diol*Dii*PS)x (I) (*Dii*PS)y (II... | 09/09/2008 |
| 7399816 | Maleimidyl-containing material and production method thereof The invention provides a maleimidyl-containing material having a substituent group defined by the following structural formula (1) containing a maleimidyl group (maleimido group): wherein A denotes a spacer containing an am... | 07/15/2008 |
| 7385019 | Polymer solutions with shear reversible properties Water-based fluids that can viscosify under shear or can produce a gel or form a gel under shear are obtained by dissolving polymers in an aqueous phase. These polymers comprise three types of functional groups: non-ionic functional groups that are hydrosoluble at t... | 06/10/2008 |
| 7385012 | Polyamine polymers The present invention provides polymeric and pharmaceutical compositions comprising a polymer that contains vicinal amine moieties, referred to as polyvicinalamine polymers. The polyvicinalamines can be copolymers or homopolymers. Methods of use of the polymeric and... | 06/10/2008 |
| 7361719 | Monomer with anti-microbial character, polymer using the same, and manufacturing method thereof The present invention relates to a monomer with anti-microbial characteristics, a polymeric compound with anti-microbial characteristics using the same, and manufacturing methods thereof, and more particularly, to an antimicrobial monomer comprising a saturated hydr... | 04/22/2008 |
| 7354532 | Compositions of electrically conductive polymers and non-polymeric fluorinated organic acids Compositions are provided comprising at least one conductive polymer and at least one non-polymeric fluorinated organic acid, wherein the conductive polymer is selected from a polythiophene, a polypyrrole, a polyaniline, and combinations thereof. Electronic devices ... | 04/08/2008 |
| 7348071 | Complex fluorene-containing compounds and use An organic molecular compound comprising a complex fluorene structure having either: wherein: X1, X2, X3, and X4 are individually the same or different and include a ... | 03/25/2008 |
| 7323507 | Stable dispersion concentrate consisting of a copolymer of acryloyldimethyltauric acid and cyclic carboxamide and an oil, emulsifier, or oil/emulsifier phase for cosmetic, pharmaceutical and dermatological compositions, and methods for preparation thereof Dispersion concentrates are claimed which consist of: I) 10-80% by weight of a crosslinked copolymer obtained by polymerization of 1 to 50% by weight of a cyclic N-vinylcarboxamide and 49.99 to 98.99 by weight of acryloyldimethyltauric acid, II) 20-90%... | 01/29/2008 |
| 7323532 | Low-viscosity radiation-curing and thermally curing polyisocyanates The present invention concerns a process for producing low-viscosity polyisocyanates or secondary products thereof, which carry activated, radiation-curable double bonds and can optionally also cure thermally, and low-viscosity polyisocyanate mixtures or secondary p... | 01/29/2008 |
| 7317059 | Ligand immobilization support A polymer comprising a styrene-based monomer and t-butyl methacrylate, wherein a proportion of the styrene-based monomer in the polymer is 30% by mol to 90% by mol and the polymer has a functional group represented by the following formula (1) which includes a malei... | 01/08/2008 |
| 7316816 | Temperature and pH sensitive copolymers The invention is directed to a copolymer comprising at least three types of monomeric units, said three types of monomeric units comprising: a temperature-sensitive unit, a hydrophilic unit, and a ... | 01/08/2008 |
| 7313829 | Sealing device for body suit and sealing method using hydrogels A sealing device for a body suit and a sealing method utilize a reactive seal that incorporates a swelling polymer activated upon contact with a fluid medium, such as water. The reactive seal can be embodied in a neck seal, wrist seal, or ankle seal of the body suit... | 01/01/2008 |
| 7309875 | Nanocrystal protective layer for crossbar molecular electronic devices A molecular device is provided. The molecular device comprises a junction formed by a pair of crossed electrodes where a first electrode is crossed by a second electrode at a non-zero angle and at least one connector species including at least one switchable moiety ... | 12/18/2007 |
| 7303858 | Photoacid generating polymer, its preparation method, top anti-reflective coating composition comprising the same, method of forming a pattern in a semiconductor device, and semiconductor device Disclosed herein is a photoacid generating polymer represented by Formula 1 below: wherein R1 is a C1-10 hydrocarbon or a C1-10 hydrocarbon in which the hydrogen atoms are wholly ... | 12/04/2007 |
| 7294657 | Curable acrylate compositions, methods of making the compositions and articles made therefrom A composition comprising a phenylthioethylacrylate, a multifunctional (meth)acrylate, a curing agent, wherein the phenylthioethylacrylate comprises less than about 400 parts per million tin and less than about 2 percent by weight of the corresponding phenylthioethan... | 11/13/2007 |
| 7279096 | Polymer based permeable membrane for removal of ions Molecularly imprinted polymer membranes for selectively collecting phosphate, nitrate and ferric ions are disclosed, prepared by copolymerizing a matrix monomer, cross-linking agent, ion imprinting complex, permeability agent and polymerization initiator, after whic... | 10/09/2007 |
| 7276172 | Method for preparing a nanowire crossbar structure and use of a structure prepared by this method The present invention relates to a method for preparing a nanowire crossbar structure, comprising: (a) providing a substrate; (b) depositing thereon a composite structure comprising a nucleic acid-block copolymer having equidistant nucleic acid-catalyst binding site... | 10/02/2007 |
| 7271228 | Ionic perfluorovinyl compounds and their uses as components of ionic conductors of the polymer type, of selective membranes or of catalysts Ionic perfluorovinyl compounds and their uses as components of ionic conductors of the polymer type, of selective membranes or of catalysts. The compounds comprise at least one perfluorovinyl group and at least one group chosen from —O or one of the groups C≡N, ... | 09/18/2007 |
| 7267910 | Chemical battery containing gel electrolyte based on crosslinked epoxy compound having an alicyclic structure A chemical battery, comprising a positive electrode, a negative electrode, and a gel electrolyte containing a crosslinked body and an electrolyte, the crosslinked body being obtained by crosslinking at least one compound selected from the group consisting of an epox... | 09/11/2007 |
| 7268091 | Fiber mat and process for making same A fiber mat of improved wet web strength and a process of making same is disclosed. The fiber mat comprises fibers; a resinous fiber binder; and a vinylpyrrolidone/acrylic acid/lauryl methacrylate terpolymer. ... | 09/11/2007 |
| 7264866 | Laminate film The object of the present invention is to provide a laminated film excellent in light resistance, scratch resistance, transparency, dimensional stability and adhesion to a hard coating layer. The present invention is a laminated film comprising a base material layer... | 09/04/2007 |
| 7250462 | Amphoteric water-soluble polymer dispersion and use thereof The invention relates to an amphoteric water-soluble polymer dispersion containing polymer particles with particle diameters of 100 μm or smaller and produced by dispersion-copolymerization of a monomer mixture comprising a methacrylate monomer containing a quatern... | 07/31/2007 |
| 7238760 | Water-soluble or water-swellable, associatively thickening copolymers containing sulfo groups, method for producing the same and use thereof The invention relates to water-soluble or water-swellable copolymers which contain sulfo groups and which are based on (meth)acrylamide-alkylsulfonic acids and (meth)acrylamide or N-vinyl compounds, and to their use as additives for aqueous construction materials sy... | 07/03/2007 |
| 7222650 | Tire with a tread comprising a rubbery polymer of a functionalized monomer This invention discloses a process for synthesizing an amine functionalized monomer that comprises (1) reacting a secondary amine with a 2,3-dihalopropene to produce a vinyl halide containing secondary amine having a structural formula selected from the group consis... | 05/29/2007 |
| 7205369 | High molecular weight cationic polymers obtained by post-polymerization crosslinking reaction The molecular weight of cationic polymers, such as diallyldialkyl ammonium chloride, can be increased by controlled addition of a water-soluble radical initiator at an elevated reaction temperature with agitation to prepare high molecular weight, crosslinked, water-... | 04/17/2007 |
| 7175746 | Polymer based enzyme electrode for estimation of cholesterol and process for preparation thereof A polymer based enzyme electrode useful for estimation for cholesterol is disclosed. The electrode has an ion-doped layer to increase the conductivity of the poly pyrrole layer. The ion doping is achieved by incorporating dodecyl benzene sulphonate (DBS) in the poly... | 02/13/2007 |
| 7157146 | Primer composition, coating method, and coated article A primer composition comprises (A) a vinyl copolymer obtained through copolymerization of (a-1) a UV-absorbing vinyl monomer, (a-2) an alkoxysilyl group-containing vinyl monomer, and (a-3) another copolymerizable monomer, (B) a curing agent, and (C) a thermoplastic ... | 01/02/2007 |
| 7153920 | Synthesis of functionalized high vinyl rubber This invention is based upon the discovery that rubbery polymers having a high vinyl content and a low degree of branching can be synthesized with an initiator system that is comprised of (a) a lithium initiator selected from the group consisting of allylic lithium ... | 12/26/2006 |
| 7144525 | Elastic member of semiconductive polymer and OA equipment using the same An elastic member of a semiconductive polymer comprising a conductive composition containing a conductive polymer and binder polymer, wherein the elastic member satisfies both characteristics of (A) a variation of 1.5 digit or less between the electrical resistance ... | 12/05/2006 |
| 7141313 | Light emitting device There are provided a light emitting device and an electronic device, which are light, have low consumption power and a low cost. When an organic light emitting material (1204b) is included in the positions between the lattices of a heavy metal complex ... | 11/28/2006 |