Famous Patents
The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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 |
| 7396883 | Coated polydivinylbenzene beads The present invention provides novel, polymeric supports, methods of making, and methods of using the supports, that have a fluorinated, amidated surface. The supports include polymeric microbeads, thin layers or membranes, plates, monoliths and the like. The suppor... | 07/08/2008 |
| 7388056 | Process for the preparation of crosslinked polyallylamine polymer The present invention provides a process for crosslinking of polyallylamine hydrochloride wherein an aqueous solution of polyallylamine hydrochloride is partly neutralized with alkali and epichlorohydrin is added. The aqueous solution is dispersed in an organic medi... | 06/17/2008 |
| 7378471 | Polymer comprising terminal sulfonic acid group, and polymer electrolyte and fuel cell using the same The present invention is related to a polymer comprising terminal sulfonic acid groups, which has a high ionic conductivity and good structural stability, does not decompose even under low humidity conditions, and is inexpensive to produce. Furthermore, the present ... | 05/27/2008 |
| 7354733 | Method for sorting and separating living cells We disclose methods of sorting or separating mixtures of living cells (e.g., eukaryotic, prokaryotic, mammalian, pathogenic, bacterial, viral, etc.). We perform our methods by activating cell-selective photophoric labels, which photosensitize and chemically reduce a... | 04/08/2008 |
| 7335706 | Method of making alkoxy functionalized rubbery polymers The present invention is directed to a method for synthesizing rubbery copolymers, such as styrene-butadiene rubber, or rubbery homopolymers, such as polybutadiene rubber, that are alkoxy functionalized, e.g., alkoxysilane functionalized, and provide desirable dispe... | 02/26/2008 |
| 7294677 | Catalyst for making fluoroelastomer compositions and methods of using the same A catalyst is preparable from a first component represented by R′C(CF2R)O−Q+ and a second component (NCCFR″)bZ. The catalyst may be combined with a fluoropolymer having nitrogen-containing cure-sites to form a curabl... | 11/13/2007 |
| 7288599 | Oligomers and polymers containing sulfinate groups, and method for producing the same The invention relates to polymers obtained by S-alkylation of sulfinated polymers with alkylation agents, and AB-cross-linked polymers obtained by reacting polymers containing alkylation groups with low-molecular sulfinates, under S-alkylation, or AB-cross-linked po... | 10/30/2007 |
| 7279531 | Rubbery polymers containing tin coupling agents and rubber compounds including the same The present invention is directed to rubbery polymers, such as polybutadiene rubber or styrene-butadiene rubber, that contain tin coupling agents and provide desirable dispersion of carbon black in rubber compounds, such as for use in tire treads. The tin coupling a... | 10/09/2007 |
| 7247681 | Preparation method of copolymer The present invention provides a method for preparing a copolymer useful for the manufacture of tires by coupling the ends of a living polymer obtained from copolymerization of a diene monomer and a vinyl aromatic monomer in the presence of an organolithium catalyst... | 07/24/2007 |
| 7195727 | Extruded automotive trim and method of making same An automotive trim product is made as follows. A single or multiple layer sheet is extruded so as to include at least one color pigmented and/or metallized layer therein. Optionally, a clear coat may be laminated to the sheet, or may even be coextruded therewith. In... | 03/27/2007 |
| 7163982 | Process for preparing fluorine-containing polymer and method of forming fine pattern using same There is provided a method of forming a fine pattern by using a practicable fluorine-containing polymer which has a high transparency to exposure light having a short wavelength such as F2 laser and can undergo resolution of a fine pattern. The method com... | 01/16/2007 |
| 7144962 | Method for surface treatment of rubber process for production of rubber articles, rubber compositions, rubber molding, and process for production thereof A method for the surface treatment of rubber, a process for production of a rubber article, and a rubber composition wherein a structure derived from a fluorine compound containing a fluoroalkyl at both ends of its molecule are joined to a polymer main chain of cros... | 12/05/2006 |
| 7135534 | Polymer support for solid phase peptide synthesis and process for preparation thereof A novel polymer support for solid phase peptide synthesis comprising polystyrene backbone and propoxylate function of hexanedioldiacrylate crosslinks having optimum hydrophilic/hydrophobic balance and a process of preparation thereof. ... | 11/14/2006 |
| 7022773 | Fluoroelastomer compositions Fluoropolymers comprising a fluoroelastomer matrix incorporating therein particles of a semicrystalline fluoropolymer formed of tetrafluoroethylene (TFE) homopolymers or copolymers, wherein the average particle sizes of the semicrystalline fluoropolymer latex range ... | 04/04/2006 |
| 7019093 | Aqueous developable, photosensitive benzocyclobutene-based oligomers and polymers with high moisture resistance The invention is a photoswitchable benzocyclobutene-based polymer that while remaining aqueous developable, avoids the problem of significant moisture uptake. The oligomer or polymer comprises a polymeric backbone, benzocyclobutene reactive groups, and photoswitchab... | 03/28/2006 |
| 6949347 | Multiplex analysis using membrane-bound sensitizers The present invention is directed to methods and compositions for determining the presence, absence, and/or amounts of one or more membrane-associated analytes in a sample. In accordance with the invention, binding compounds derivatized with releasable molecular tag... | 09/27/2005 |
| 6930150 | Method for making polymer mixtures and compositions thereof A method for making a polymer blend composition includes combining at least one component A incorporating at least five percent by weight of anionic functional groups in its structure, at least one component B, preferably free of such functional groups, and at least... | 08/16/2005 |
| 6906133 | Polyalkyldiallylamine-epihalohydrin resins as wet strength additives for papermaking and process for making the same The present invention relates to a process for making polyalkyldiallylamine-epihalohydrin resins, the resultant resins and their uses as wet strength additives for papermaking. These resins are obtained by a two step process, wherein the first step comprises the fre... | 06/14/2005 |
| 6875822 | Process for preparing tritylated polystyrene resin The present invention relates to a process for preparing tritylated polystyrene resin. More particularly, the present invention is directed to a process for preparing tritylated polystyrene resins, comprising a step for tritylating polystyrene by reacting polystyren... | 04/05/2005 |
| 6858679 | Compositions providing improved functionalization of terminal anions and processes for improved functionalization of terminal anions Compositions including one or more anionic polymerization initiators and one or more additives for improving functionalizing efficiency of living polymer anions are disclosed. The present invention also provides compositions including one or more electrophiles and o... | 02/22/2005 |
| 6841625 | Nitrile group-containing fluoroelastomer and preparation process of same To provide a solid fluoroelastomer having nitrile group at the, end which gives a crosslinked product being excellent in heat resistance, solvent resistance, chemical resistance, compression set and cleanliness, and an economical process for preparation thereof. The... | 01/11/2005 |
| 6784254 | Process for removing bile salts from a patient and alkylated compositions therefor The invention relates to a method for removing bile salts from a patient in need thereof and compositions useful in the method. The method comprises administering to the patient a therapeutically effective amount of a salt of an alkylated and crosslinked polymer. Th... | 08/31/2004 |
| 6703450 | Curable base-resistant fluoroelastomers Compositions of specialty fluoroelastomers containing copolymerized units of tetrafluoroethylene, propylene, optionally vinylidene fluoride, and a cure site monomer selected from the group consisting of i) trifluoroethylene, ii) 3,3,3-trifluoropropene-1, ... | 03/09/2004 |
| 6664339 | Curable base-resistant fluoroelastomers A base resistant, substantially amorphous fluoroelastomer comprising (1) 10-40 mole percent ethylene units, (2) 32-60 mole percent tetrafluoroethylene units, (3) 20-40 mole percent perfluoro ether units selected from the group consisting of perfluoro(alky... | 12/16/2003 |
| 6657013 | Imidate-containing fluoropolymer compositions A composition that includes a fluoropolymer comprising interpolymerized units derived from a cure site monomer comprising a nitrile group; and (b) a catalyst composition comprising a compound having the formula R1 C(OR2).dbd.NH, and ... | 12/02/2003 |
| 6569952 | Enhanced photophysics of conjugated polymers The addition of oppositely charged surfactant to fluorescent ionic conjugated polymer forms a polymer-surfactant complex that exhibits at least one improved photophysical property. The conjugated polymer is a fluorescent ionic polymer that typically has a... | 05/27/2003 |
| 6545103 | Compositions providing improved functionalization of terminal anions and processes for improved functionalization of terminal anions Compositions including one or more anionic polymerization initiators and one or more additives for improving functionalizing efficiency of living polymer anions are disclosed. The present invention also provides compositions including one or more electrop... | 04/08/2003 |
| 6525113 | Process for producing cross-linked polyallylamine hydrochloride The present invention relates to a process for preparing a cross-linked pollyallylamine hydrochloride. The process involves mixing polyallylamine hydrochloride, water, a hydroxide or alkoxide, and a water-miscible organic solvent or co-solvents, to a reac... | 02/25/2003 |
| 6518369 | Rubber mixes containing polyether/diolefin rubbers and use thereof in particular for the production of tires with low rolling resistance The present invention relates to filled rubber mixes made from polyether/diolefin rubbers. The rubber mixes according to the present invention are suitable for the production of highly reinforced, abrasion-resistant moldings, in particular for the product... | 02/11/2003 |
| 6518366 | Nitrile group-containing fluoroelastomer and preparation process of same To provide a solid fluoroelastomer having nitrile group at the end which gives a crosslinked product being excellent in heat resistance, solvent resistance, chemical resistance, compression set and cleanliness, and an economical process for preparation th... | 02/11/2003 |
| 6518368 | Brominated polystyrene having improved thermal stability and color and process for the preparation thereof A brominated polystyrene product made by the process comprising pretreating a solution of a polystyrene reactant comprising from about five to about 20 percent by weight of the polystyrene reactant, in a halogenated hydrocarbon solvent with at least about... | 02/11/2003 |
| 6482898 | Halogenated wang resins for combinatorial chemical synthesis The present invention relates to novel halogenated Wang resins for combinational chemical synthesis, more specifically to halogenated Wang resins expressed by formula (1) useful for the effective tracing of combinational chemical synthetic process on soli... | 11/19/2002 |
| 6433026 | Process for removing bile salts from a patient and alkylated compositions therefor The invention relates to a method for removing bile salts from a patient in need thereof and compositions useful in the method. The method comprises administering to the patient a therapeutically effective amount of a salt of an alkylated and crosslinked ... | 08/13/2002 |
| 6420439 | Crosslinked, non-swellable ampholytic base resins Described are non-swelling, crosslinked, bead forms of ampholytic base polymers that can be utilized in the chromatographic-type separation of acids from other compounds. Preferred polymers are prepared by modifying a poly-2 or poly-4-vinylpyridine resin ... | 07/16/2002 |
| 6384139 | Crosslinked elastomers processes for their manufacture and articles made from these elastomers At least partially vulcanized elastomers are described, these elastomers obtained by at least partially crosslinking (1) an elastomeric polymer containing reactive substituents with (2) a crosslinking agent (a) containing two or more reactive substituents... | 05/07/2002 |
| 6362266 | Process for reducing cohesiveness of polyallylamine polymer gels during drying Disclosed is a cross-linked polyallylamine polymer composition having reduced cohesiveness, a process for producing a cross-linked polyallylamine polymer having reduced cohesiveness from an aqueous solution of a washed cross-linked polyallylamine polymer ... | 03/26/2002 |
| 6225355 | Process for removing bile salts from a patient and alkylated compositions therefor The invention relates to a method for removing bile salts from a patient in need thereof and compositions use full in the method. The method comprises administering to the patient a therapeutically effective amount of a salt of an alkylated and crosslinke... | 05/01/2001 |
| 6180754 | Process for producing cross-linked polyallylamine polymer Disclosed are reduced salt polyallylamine polymer compositions, a process for producing a cross-linked polyallylamine polymer from a reduced salt, aqueous solution of a polyallylamine polymer and a multifunctional cross-linking agent and to cross-linked p... | 01/30/2001 |
| 6153706 | Protected multi-functionalized star polymers and processes for making the same This invention provides novel protected, multi-functionalized multi-arm polymers, their optionally hydrogenated analogues and optionally deprotected analogues thereof, and processes for making these compounds. In the invention, monomers are polymerized us... | 11/28/2000 |
| 6103831 | Water soluble dye complexing polymers This invention relates to dye complexing polymers, and, more particularly, to water soluble poly(vinylpyridine betaines) containing a quaternary nitrogen and a carboxylate salt. The polymers herein have effective dye transfer inhibitor (DTI) properties fo... | 08/15/2000 |
