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| Number | Title | Issue Date |
| 7402634 | Perfluorocyclobutane copolymers The present invention provides copolymer having repeating units based on polyoxyalkylene radicals, polysiloxane radicals and perfluorocyclobutane radicals. The copolymers are useful as biomedical devices such as contact lenses or intraocular lenses. ... | 07/22/2008 |
| 7351776 | Bulk polymerization process A method for the continuous production of polydienes, the method comprising the steps of (a) charging a mixture of one or more monomer, catalyst system, and less than 50% weight percent organic solvent based on the total weight of the monomer, catalyst and solvent, ... | 04/01/2008 |
| 7332553 | Functional monomers for molecular recognition and catalysis The present invention refers to new classes of polymerisable monomers, to molecularly imprinted polymers obtainable by polymerisation of at least one of the monomers and a crosslinking monomer in the presence of a template molecule. The obtained polymers may be used... | 02/19/2008 |
| 7312040 | Microcapsule biosensors and methods of using the same The present invention relates to the detection of analyte(s) of interest in a test sample using a rupturable microcapsule biosensor. In general, the microcapsule biosensor includes a microcapsule comprising a shell encapsulating a detectable agent and further includ... | 12/25/2007 |
| 7268189 | Polymers The invention relates to novel crosslinkable copolymers which are obtainable by (a) copolymerizing at least one hydrophilic monomer having one ethylenically unsaturated double bond and at least one crosslinker comprising two or more ethylenically unsaturated ... | 09/11/2007 |
| 7238750 | Polymers The invention relates to novel crosslinkable copolymers which are obtainable by (a) copolymerizing at least one hydrophilic monomer having one ethylenically unsaturated double bond and at least one crosslinker comprising two or more ethylenically unsatu... | 07/03/2007 |
| 7230063 | Functional trithiocarbonate RAFT agents The present invention is directed to a free radical control agent of the structural formula: wherein R1 is a divalent alkyl group of 1 to 12 carbon atoms, R2 and R3 are each indep... | 06/12/2007 |
| 7214262 | Temporary cosmetic dental surface coating A temporary cosmetic dental coating has a transparent resin matrix containing embedded glass microspheres. The refractive index of the microspheres is at least 0.03 greater than the refractive index of the transparent resin matrix. Incoming light is reflected back i... | 05/08/2007 |
| 7208557 | Functional monomers for molecular recognition and catalysis The present invention refers to new classes of polymerisable monomers, to molecularly imprinted polymers obtainable by polymerisation of at least one of the monomers and a crosslinking monomer in the presence of a template molecule. The obtained polymers may be used... | 04/24/2007 |
| 7151154 | Graft polymer curatives and polyurethanes formed therefrom Graft polymer curatives comprise a side chain having an average molecular weight of at least about 500, a main chain having an average molecular weight of less than about 200, and diol functionality on the main chain. The graft polymer curative is formed via free ra... | 12/19/2006 |
| 7091283 | Crosslinkable prepolymers from a hydrophilic monomer and a hydrophobic crosslinker The invention relates to novel crosslinkable copolymers which are obtainable by (a) copolymerizing at least one hydrophilic monomer having one ethylenically unsaturated double bond and at least one crosslinker comprising two or more ethylenically unsaturated double ... | 08/15/2006 |
| 7056976 | Pultrusion systems and process Polyisocyanate-based reaction systems, a pultrusion process of those systems to produce reinforced matrix composites, and to composites produced thereby. The polyisocyanate-based systems are mixing activated reaction systems that include a polyol composition, an opt... | 06/06/2006 |
| 6974852 | Emulsifier system for aqueous emulsion polymerization An emulsifier system comprising a) a salt of a sulfuric monoester of a C9-C15 alcohol or of an alkoxylated C9-C15 alcohol, and b) an alkoxylated C8-C16 | 12/13/2005 |
| 6964999 | Polymer and curable composition A vinyl polymer having at least one terminal group of the general formula (1) per molecule; —OC(O)C(R)═CH2 (1) wherein R represents hydrogen or an organic group containing 1 to 20 carbon atoms; | 11/15/2005 |
| 6927267 | High solids dispersion for wide temperature, pressure sensitive adhesive applications A pressure-sensitive adhesive polymer comprising a reaction product of a C1 to C20 alkyl (meth)acrylate, an ethylenically unsaturated carboxylic acid, a C2 to C8 hydroxyalkyl (meth)acrylate, a vinyl aromatic, optionally a ... | 08/09/2005 |
| 6903172 | Cationically polymerizable composition A cationically polymerizable composition is provided, which comprises a cationically polymerizable compound, a cationic polymerization initiator, and a specific tertiary alkanolamine or tertiary alkylamine. The cationically polymerizable compound is preferably an al... | 06/07/2005 |
| 6891002 | Process for producing polyolefin A process for producing a polyolefin according to the present invention comprises (co) polymerizing one or two or more α-olefins in a vapor phase in a fluidized-bed reactor, wherein the concentration of (A) a saturated aliphatic hydrocarbon in the fluidized bed rea... | 05/10/2005 |
| 6867272 | Aluminium compounds for producing vinylic polymers An enolate functionalized reaction intermediate of general formula (I), wherein X is an alkyl group; Z is selected from the group consisting of alkyl, hydrogen, halogen, alkoxy, thiol, aryloxy or ester; n is an integer and is at least one; Y is alkyl or H; the tetra... | 03/15/2005 |
| 6686422 | Inhibition of popcorn polymer growth It has been discovered that the polymerization of diene compounds, such as butadiene, may be inhibited by the addition of a composition that contains at least one hindered or unhindered phenol, in combination with low nitrogen content component which is a... | 02/03/2004 |
| 6686424 | Preparation of functionalized alkoxyamine initiator and its use A one-pot process for the preparation of functional alkoxyamines of the general formula (I), ##STR1## is disclosed. The process entails (1) reacting an oxidizing agent with a sterically hindered secondary amine to produce an aqueous phase and a nitro... | 02/03/2004 |
| 6673861 | INVERSE LATICES SELF-INVERTIBLE WITH RESPECT TO WHITE MINERAL OILS, SQUALANE, HYDROGENATED POLYISOBUTENE, ISOHEXADECANE OR ISODODECANE AND COSMETIC, DEMOCOSMETIC, DERMOPHARMACEUTICAL OR PHARMACEUTICAL COMPOSITIONS COMPRISING THEM Composition comprising an oil phase, an aqueous phase, at least one emulsifying agent of water-in-oil (W/O) type and at least one emulsifying agent of oil-in-water (O/W) type in the form of a self-invertible inverse latex comprising from 20% to 70% by wei... | 01/06/2004 |
| 6649708 | Process for producing polymer particles To provide a process for producing polymer particles which are spherical and have smooth surfaces and small contents of oil- and the solvent-soluble at the time of being compounded. Polymer particles are produced by adding 0.099 to 47 parts by mass of a c... | 11/18/2003 |
| 6350836 | Process for producing vinyl polymers The present invention relates to a method of radical polymerization of a vinyl monomer in the presence of a hydroxylamine. Specifically, the invention provides a process for producing a vinyl polymer having a controlled molecular weight range and a contro... | 02/26/2002 |
| 6348530 | Thermosetting aqueous compositions Heat-curable aqueous compositions which comprise a carboxyl-containing polymer component and optionally a hydroxyalkylated amine are used as binders for shaped articles.... | 02/19/2002 |
| 6340729 | Process of polymerizing vinyl chloride with hydroxylamines In the process according to the invention for the aqueous suspension polymerization of vinyl chloride, alone or as a mixture with another vinyl monomer, the polymerization initiator comprises at least one compound chosen from dialkyl peroxydicarbonates, p... | 01/22/2002 |
| 6303723 | Process for polymerization of allylic compounds A process for preparing polymers of allylic amine compounds comprising: a) preparing a reaction mixture comprising: i) a polar reaction solvent; ii) at least one salt of an allylic amine compound; and iii) a free radical initiator comprising a water soluble non-ionic di... | 10/16/2001 |
| 6268449 | Process for synthesizing temperature-responsive N-isopropylacrylamide polymers Disclosed is a process for preparing temperature-responsive polymers that may be formed into a thermally-processable form which exhibits flushability properties when immersed in water such that the temperature-responsive polymer may be used in a disposabl... | 07/31/2001 |
| 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 |
| 6245868 | Catalyst delivery method, a catalyst feeder and their use in a polymerization process The present invention relates to an improved catalyst delivery method for introducing a supported bulky ligand metallocene-type catalyst system to a reactor for polymerizing one or more olefin(s). In particular, the invention provides for a method of intr... | 06/12/2001 |
| 6242546 | Process for producing vinyl polymers The present invention provides a process for producing a vinyl polymer characterized in that, in a radical polymerization of a vinyl monomer, a substituted hydroxylamine represented by a general formula: ##STR1## in which R1 and R2 r... | 06/05/2001 |
| 6187884 | Preparation of low molecular mass homopolymers of N-vinylpyrrolidone A process for preparing highly concentrated aqueous solutions of low molecular mass homopolymers of N-vinylpyrrolidone by free-radical solution polymerization in an aqueous medium with H2 O2 as initiator comprises carrying out the po... | 02/13/2001 |
| 6180742 | Pressure sensitive adhesive composition and use thereof A pressure sensitive adhesive composition comprising: (A) a carboxyl group containing copolymer obtained by solution polymerization of (a) a carboxyl group containing polymerizable monomer and (b) another monomer copolymerizable with the monomer (a); (B) a neu... | 01/30/2001 |
| 6001958 | Crosslinkable polymer, particularly for optical and non-linear optical use, materials or devices using same, and method for preparing said polymer The invention relates to a crosslinkable polymer for use in optics and non-linear optics, which comprises at least one chromophore, characterized in that it has, on at least two of its ends, at least one reactive end group of a different chemical type fro... | 12/14/1999 |
| 5962577 | Aqueous resin composition for coating metal, and radically polymerizable macromonomer An aqueous resin composition for coating a metal, which can form a coating film having excellent water resistance and also having high hardness and excellent workability even after being subjected to a pressurized steam treatment is provided. The aqueous ... | 10/05/1999 |
| 5932671 | Polymerization process A process for producing a water-soluble polymer which can be useful in a subterranean formation is provided. The process comprises contacting a an olefinic compound and a thiol under a solution polymerization process for producing the water-soluble polyme... | 08/03/1999 |
| 5932638 | Free radical polymerizable compositions including para-halogenated aniline derivatives The present invention provides adhesive compositions which include free radical polymerizable compounds and a redox catalyst system to accelerate polymerization thereof. The redox catalyst includes an aniline derivative substituted in the para position by... | 08/03/1999 |
| 5847062 | Aqueous suspension process for producing copolymers of vinyl chloride and vinyl esters Copolymers of vinyl or vinylidene halides and vinyl esters of fatty acids having low molecular weights, good particle characteristics, and improved melt flow are made by aqueous polymerization utilizing an effective amount of a mercaptan as a chain transf... | 12/08/1998 |
| 5814713 | Method for emulsion polymerization of tetrafluoroethylene and method for prevention of irregular polymerization thereof (i) A method for emulsion polymerization of tetrafluoroethylene, which comprises emulsion-polymerizing tetrafluoroethylene in the presence of a polymerization initiator, a paraffin wax containing not larger than 100 ppm of a reducing substance and an emul... | 09/29/1998 |
| 5739228 | Polymerization using thionoester compounds as chain transfer agents A process for the production of low molecular weight polymers by free radical polymerization of one or more monomers in the presence of a chain transfer agent, wherein the chain transfer agent comprises one or more compounds of the general formula I ... | 04/14/1998 |
| 5612429 | Process for the polymerization of polymers in non-aqueous liquid media Polymers can be prepared by polymerizing appropriate monomers in a substantially non-aqueous liquid medium comprising a detergent and/or an ester of a polyhydic alcohol. The invention also includes novel polymers which can be prepared by this process.... | 03/18/1997 |
