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| Number | Title | Issue Date |
| 6051670 | Compositions and processes for treating subterranean formations A gelling composition and a process for using the gelling composition for oilfield applications are provided. The gelling composition comprises a water-soluble polymer, a crosslinking agent, and a liquid wherein the water-soluble polymer comprises repeat ... | 04/18/2000 |
| 5985522 | Photoresist and compounds for composing the photoresist There is provided a photoresist including (a) a resin composed of a polymer having a compound represented with the following general formula [1] within a structural unit thereof, and (b) a photo acid generator. ##STR1## wherein R1 represen... | 11/16/1999 |
| 5986150 | Fluorine-containing olefin, fluorine-containing polymer and thermoplastic resin composition prepared by using said polymer To provide a fluorine-containing olefin represented, for example, by CH2 .dbd.CFCF2 --Rf6 --(CH2)k --X2 [wherein, X2 is ##STR1## Rf6 is a fl... | 11/16/1999 |
| 5955556 | Method of manufacturing fluoropolymers The present invention provides a novel, optionally surfactant-free process for controlling particle number, particle size, and/or particle size distribution. The method of the invention also significantly improves monomer to polymer conversion rates, as w... | 09/21/1999 |
| 5939502 | Nonaqueous polymerization of fluoromonomers The present invention provides a process for making fluorinated polymers and copolymers having stable end groups. The process includes (1) contacting a fluoromonomer, an initiator capable of producing stable end groups on the polymer chain, and a polymeri... | 08/17/1999 |
| 5939501 | Nonaqueous polymerization of fluoromonomers The present invention provides a process for making fluorinated polymers and copolymers having stable end groups. The process includes (1) contacting a fluoromonomer, an initiator capable of producing stable end groups on the polymer chain, and a polymeri... | 08/17/1999 |
| 5910554 | Highly cross-linked polymeric supports A polymer useful as a solid support for a variety of applications is provided. The polymer is prepared from a composition comprising at least one type of olefinic monomer and a multifunctional (meth)acrylate crosslinker of the following formula (I): ... | 06/08/1999 |
| 5910549 | Method for preparation of alkoxyamines from nitroxyl radicals An improved process for free radical polymerization is produced making it possible to control the growth steps of a polymerization to produce homopolymers and copolymers, including block and graft copolymers. The process uses a long half-life radical init... | 06/08/1999 |
| 5891973 | Method of improving scuff and cut resistance of ionomer covered game ball Disclosed herein is a game ball and method for making the same. The game ball has an ionomeric cover which includes a combination of ionomeric crosslinks and covalent crosslinks. The game ball cover is superior in at least one of cut resistance and scuff ... | 04/06/1999 |
| 5880213 | Microemulsion polymerization systems for the production of small polytetrafluorethylene polymer particles An aqueous microemulsion polymerization procedure is described in which very small colloidal polymer particles are produced from tetrafluoroethylene monomer. The polymerization procedure involves forming a microemulsion of at least one liquid saturated or... | 03/09/1999 |
| 5877267 | Fluorine-containing polymers and preparation thereof A method for polymerizing fluorine-containing ethylenically-unsaturated monomer and allylic-hydrogen containing olefin monomer is provided. The method involves the use of fluoroaliphatic-group containing sulfinate. Novel polymers are also disclosed, compr... | 03/02/1999 |
| 5874090 | Sustained-release formulation of methylphenidate The subject invention pertains to a sustained-release formulation of d-threo-methylphenidate (dtmp). The subject invention also pertains to methods for treating disorders using a sustained-release formulation comprising d-threo-methylphenidate.... | 02/23/1999 |
| 5872198 | Molecularly imprinted beaded polymers and stabilized suspension polymerization of the same in perfluorocarbon liquids A suspension polymerization technique is provided for molecular imprinting based on the use of a perfluorocarbon liquid as the dispersing phase that does not interfere with the interactions between functional monomers and print molecules required for the ... | 02/16/1999 |
| 5872287 | Amphipathic compound having succinic acid skeleton Provided are an amphipathic compound represented by any of the following Formulas: ##STR1## (R1 is a linear or branched, saturated hydrocarbon group having 6 to 48 carbon atoms, or a linear or branched, unsaturated hydrocarbon group c... | 02/16/1999 |
| 5872199 | Sugar based vinyl monomers and copolymers useful in repulpable adhesives and other applications Copolymers prepared from novel alkyl polyglycoside maleic acid esters and vinyl monomers are biodegradable and repulpable and are useful in adhesives, coatings, sizing agents, toners, retention aids and related polymer resins in paper and paperboard appli... | 02/16/1999 |
| 5866166 | Pharmaceutical excipient having improved compressibility A composition, comprising (a) microcrystalline cellulose; and (b) a compressibility augmenting agent which (i) physically restricts the proximity of the interface between adjacent cellulose surfaces; or (ii) inhibits interactions between adjacent cellulos... | 02/02/1999 |
| 5866664 | Process for preparing phosphonate-terminated polymers A process for efficiently utilizing phosphorous acid or salts thereof as a chain transfer agent in the polymerization of monomers, particulary unsaturated carboxylic acid monomers, is provided, where the polymerization is conducted at an in-process solids... | 02/02/1999 |
| 5863612 | Method of making fluoropolymers A process for making a fluoropolymer is disclosed. The process comprises solubilizing a fluoromonomer in solvent comprising a carbon dioxide fluid, and then polymerizing the fluoromonomer to produce a the fluoropolymer. A preferred solvent for carrying ou... | 01/26/1999 |
| 5863664 | Energy-curable cyanate/ethylenically unsaturated compositions A composition of matter includes a polymerizable mixture comprising 1 to 99 weight percent of a first monomer and an initiator therefor, the first monomer being one of 1) at least one free-radically polymerizable monomer or 2) at least one cyanate ester m... | 01/26/1999 |
| 5863987 | Adhesive compositions and pneumatic tire An adhesion force between a polyester cord and adherend rubber is improved by an adhesive composition comprising vinylpyridine-styrene-butadiene copolymer latex particles having at least two kinds of monomer compositions and a thermosetting resin comprise... | 01/26/1999 |
| 5858408 | Sustained-release oral ointment The preent invention relates to a sustained-release oral ointment which comprises a hydrophobic ointment base, an adhesive substance, an aluminum compound and a drug. The ointment is useful as a sustained-release oral ointment which has applicability to a... | 01/12/1999 |
| 5856411 | Resins for use in chemically amplified resists and manufacturing methods thereof Resins for use in chemically amplified resists are represented by the general formula (I): ##STR1## wherein R1 is t-butyl or tetrahydropyranyl; R2 is hydrogen or methyl; n and m are integers; and the ratio n/((m+n) ranges from 0... | 01/05/1999 |
| 5852126 | Polymerisable composition and the use thereof The invention is directed to compositions containing at least one olefinic monomer, at least one polymer prepared form an olefinic monomer, an indicator dye to the basic structure of which an olefinic polymerisable group is covalently bonded directly or v... | 12/22/1998 |
| 5851549 | Patch, with system and apparatus for manufacture A system of the present invention for applying a substance to an applied area includes a patch (11), as well as apparatus (12, 14, 16, 18 and 21) and methods for making the same. The patch includes backing material (52) and a tri-laminate (54), with a dos... | 12/22/1998 |
| 5849818 | Skin sulfonated particles in matrices Solid organic polymers, for example, rubber and plastic particles, which may include coated papers, to especially include as recovered from recycle streams, can be made to have a sulfonated outer layer by treatment with a reactant gas containing sulfur tr... | 12/15/1998 |
| 5847048 | Polymers containing fluoroalkoxy side chains This invention concerns polymers, having fluoroalkoxy side chains, which are made by a novel process comprising reacting a polymer containing hydroxyl groups, especially poly(vinyl alcohol), with a fluorinated olefin in the presence of a base. The resulti... | 12/08/1998 |
| 5840819 | Process for the preparation of polymer powders by suspension polymerization The process for the manufacture of (co)polymer powders by aqueous suspension polymerization of at least one monomer which is polymerizable in suspension is conducted in the presence of at least one free-radical generator as catalyst, of at least one dispe... | 11/24/1998 |
| 5836392 | Oil and gas field chemicals A method for conformance control of a reservoir comprising injecting into a zone of the reservoir an aqueous solution of a co-polymer comprising at least one ethylenically unsaturated polar monomer and at least one copolymerizable ethylenically unsaturate... | 11/17/1998 |
| 5830505 | Active ingredient patch The invention relates to an active ingredient patch in the form of a laminate, the patch comprising a carrier and a matrix of a single polymer and if appropriate another polymer and vitamin E.... | 11/03/1998 |
| 5830961 | Preparation of polyacrylates Polyacrylates based on alkyl acrylates or alkyl alkylacrylates or mixtures thereof as monomers are prepared in the presence of an initiator composition containing an alkali metal ester enolate and an organic aluminum compound or a mixture thereof, by a pr... | 11/03/1998 |
| 5830960 | Precipitation Polymerization process for producing an oil adsorbent polymer capable of entrapping solid particles and liquids and the product thereof A process for producing a microporous oil sorbent polymer comprising the steps of: dissolving a polyunsaturated monomer in a silicone organic solvent to provide a monomer mixture containing more than 90% by weight polyunsaturated monomer; polymerizing sai... | 11/03/1998 |
| 5830963 | Fluorine-containing maleate, fluorine-containing fumarate, fluorine-containing copolymer and stainproofing agent (1) A perfluoroalkyl diester of maleic acid or fumaric acid, (2) a copolymer obtained by polymerizing the perfluoroalkyl ester, a lower alkyl (meth)acrylate and, if necessary, styrene, and (3) a stainproofing agent comprising the copolymer give excellent water repe... | 11/03/1998 |
| 5830967 | Process for producing an oil and water adsorbent polymer capable of entrapping solid particles and liquids and the product thereof The present invention is directed to a porous polymer micro-particle, in the form of broken spheres, open to a porous oleophilic interior surface area, having a high oil and water absorbency and an apparent bulk density of about 0.02 to about 0.1 grams/cc... | 11/03/1998 |
| 5830362 | Derivatives of polyethers and of pentacyclic heterocycles, their polymers and their applications, particulary to the complexing of metal ions It concerns a monomer, a polymer obtained from the monomer and a process for obtaining the said polymer. The monomer consists of a polyether containing at least 3 ether units and pyrrole or thiophene units bonded to the ends of the chains of this polyethe... | 11/03/1998 |
| 5827923 | Abrasion resistant, curable hardcoating compositions and tinted articles made therefrom This invention provides a coating composition which utilizes a free radical initiator and an organic tintability additive which remains substantially unpolymerized even after the remainder of the coating composition is cured. Superior tintability and adhe... | 10/27/1998 |
| 5827911 | Colored thermoplastic resin composition Colored thermoplastic resin composition comprising a transparent thermoplastic resin and a black dye contained therein, wherein said black dye is a black dye obtained by reaction of at least one anionic surfactant selected from the group consisting of (a)... | 10/27/1998 |
| 5824344 | Pharmaceutical thermal infusion granules Invented are controlled release formulations of medicaments for oral administration comprising a hydrophobic waxy material and prepared by thermal infusion.... | 10/20/1998 |
| 5824757 | Di-(alken-1-yl)-substituted borinic acids and borinates as oxidation inhibitors for carbon composites Resins and carbon-carbon composites are formed from di(alken-1-yl) borinic acids and borinates, either as monomers or as nonpolymerizing additives in a monomer mixture, with the effect of sharply increasing the oxidative stability of the cured product. Th... | 10/20/1998 |
| 5824756 | H2 O2 -catalyzed polymerizations for linear polyvinylpyridines Described are preferred processes for producing linear polyvinylpyridines. The processes involve the use of hydrogen peroxide to initiate polymerization of vinylpyridine monomers in an aqueous solvent. Processes of the invention provide good reaction rate... | 10/20/1998 |
| 5824726 | Multi-phase polymerization process The present invention provides a multi-phase polymerization process for making a water insoluble polymer. The process includes (1) providing a mixture comprising carbon dioxide and an aqueous phase, and containing a monomer and a polymerization initiator,... | 10/20/1998 |
