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Class Information
Number: 525/231
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Mixing of two or more solid polymers; mixing of solid polymer or sicp with sicp or spfi; mixing of sicp with an ethylenic agent; mixing of solid polymer with a chemical treating or ethylenic agent; or processes of forming or reacting; or the resultant product of any of the above operations > At least one solid polymer derived from ethylenic reactants only > Polymer mixture of two or more solid polymers derived from ethylenically unsaturated reactants only; or mixtures of said polymer mixture with a chemical treating agent; or products or processes of preparing any of the above mixtures > Solid polymer derived from oxygen-containing reactant
Description: Subject matter wherein the mixture contains a solid polymer derived from an ethylenic reactant containing oxygen (e.g., vinyl methyl ether, etc.).

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8586681 Multi-arm block copolymers as drug delivery vehicles Nov. 19, 2013
8536251 Copolymer containing acid building blocks and various types of polyether building blocks Sep. 17, 2013
8465846 Aqueous dispersions and coatings Jun. 18, 2013
8461232 Dispersing agent containing copolymer mixture Jun. 11, 2013
8455591 Fine particle-dispersed polyol composition, method for producing polymer polyol, and method for producing polyurethane resin Jun. 4, 2013
8450420 Polylactic acid-containing resin compositions May. 28, 2013
8445591 Spin-on protective coatings for wet-etch processing of microelectronic substrates May. 21, 2013
8394899 Fine particle-dispersed polyol composition, method for producing polymer polyol, and method for producing polyurethane resin Mar. 12, 2013
8338545 Multi-arm block copolymers as drug delivery vehicles Dec. 25, 2012
8319102 Layer for cables having improved stress whitening resistance Nov. 27, 2012
8293846 Composition for forming layer to be plated, method of producing metal pattern material, metal pattern material Oct. 23, 2012
8183322 Composition containing a lactic acid homopolymer and a block copolymer May. 22, 2012
8080588 Surfactants for tertiary mineral oil extraction based on branched alcohols Dec. 20, 2011
8071692 Multi-arm block copolymers as drug delivery vehicles Dec. 6, 2011
7964671 Thermally curable composite resin composition, prepreg, composite film and laminated material for circuit having the same Jun. 21, 2011
7935401 Shrink sleeve label May. 3, 2011
7923512 Process for producing medical implant or medical implant part comprising porous UHMWPE Apr. 12, 2011
7834097 Fluoroelastomers Nov. 16, 2010
7781526 Medical implant or medical implant part comprising porous UHMWPE and process for producing the same Aug. 24, 2010
7767763 Fluoroelastomers Aug. 3, 2010
7767764 Fluoroelastomers Aug. 3, 2010
7745556 Polymerisation of vinyl chloride monomer Jun. 29, 2010
7732017 Effect paint Jun. 8, 2010
7705098 Crosslinked polycyclooctene Apr. 27, 2010
7683133 Bearing material of medical implant and methods for making it Mar. 23, 2010
7670994 Method for treating oil and gas wells Mar. 2, 2010
7632891 Grafting of nitroxyl terminated oligomers or polymers onto thermoplastic polymers Dec. 15, 2009
7589157 Multi-arm block copolymers as drug delivery vehicles Sep. 15, 2009
7563848 Crosslinked polycyclooctene Jul. 21, 2009
7540979 Method for making a medical electrode polymer Jun. 2, 2009
7482405 Cement additive Jan. 27, 2009
7473472 Adhesive composition for the direct joining of a pre-gelled polyester or vinyl ester to raw rubber Jan. 6, 2009
7411022 Reinforced polymer electrolyte membrane Aug. 12, 2008
7384684 Polyester film with hydrophilic coating, process for its production and its use Jun. 10, 2008
7314669 Easy peel film structures Jan. 1, 2008
7265186 Multi-arm block copolymers as drug delivery vehicles Sep. 4, 2007
7259208 Reinforced polymer electrolyte membrane Aug. 21, 2007
7241830 Organic solvent-free film-forming compositions, multi-layer composite coatings, and related methods Jul. 10, 2007
7235612 Polymer alloy and method for manufacturing polymer alloy Jun. 26, 2007
7211309 Antistatic laminated polyester film May. 1, 2007
7189787 Aqueous dispersions and coatings Mar. 13, 2007
7011883 Display strip Mar. 14, 2006
7009003 Plastic composition Mar. 7, 2006
6998442 Organic anti-reflective coating polymers, anti-reflective coating composition comprising the same and preparation methods thereof Feb. 14, 2006
6881492 Primer composition for polyesters Apr. 19, 2005
6844036 Fluoroelastomeric compositions Jan. 18, 2005
6838528 Multi-arm block copolymers as drug delivery vehicles Jan. 4, 2005
6833410 Method of rotational molding using a resin blend and the resulting molded objects Dec. 21, 2004
6794453 Crosslinked, predominantly polypropylene-based compositions Sep. 21, 2004
6747094 High impact thermoplastic resin composition Jun. 8, 2004

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