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Class Information
Number: 526/237
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Polymers from only ethylenic monomers or processes of polymerizing, polymerizable compositions containing only ethylenic monomers as reactants or processes of preparing > Polymerizing in the presence of a specified material other than monomer > Material contains metal halide, boron halide or organic complexes thereof, hydrogen halide, elemental halogen, or compound containing only halogen atoms
Description: Subject matter wherein the specified material contains (1) elemental halogen; or (2) a boron halide or nonmetallic organic complex thereof; or (3) a hydrogen halide; or (4) an aluminum trihalide or a nonmetallic organic complex thereof; or (5) a compound containing only halogen atoms; or (6) a metallic halide other than transition metal, aluminum or a nontransition heavy metal.










Sub-classes under this class:

Class Number Class Name Patents
526/238 At least one monomer is nonhydrocarbon material 62


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8637619 Process for preparing high-reactivity isobutene homo- or copolymers Jan. 28, 2014
8613298 Functionalized elastomers Dec. 24, 2013
8569427 Polymers derived from rosin and their methods of preparation Oct. 29, 2013
8541524 Free-radical polymerization process in aqueous dispersion for the preparation of a block copolymer at least one block of which is a block of a halogenated polymer Sep. 24, 2013
8524843 Production of highly reactive low molecular weight PIB oligomers Sep. 3, 2013
8445580 Tire with tread of polybutadiene rubber May. 21, 2013
8349977 Process for preparing high-reactivity isobutene homo- or copolymers Jan. 8, 2013
8178465 Polydispersity-controlled isoolefin polymerization with polymorphogenates May. 15, 2012
8163856 Method and system to add high shear to improve an ionic liquid catalyzed chemical reaction Apr. 24, 2012
8071688 Brominated anionic styrenic polymers and their preparation Dec. 6, 2011
7897710 Bimodal polyethylene film Mar. 1, 2011
7868111 Method for producing .alpha.-olefin polymer Jan. 11, 2011
7851577 Polymerization process using zinc halide initiators Dec. 14, 2010
7816459 Method for preparing polyolefins containing vinylidine end groups using polymeric nitrogen compounds Oct. 19, 2010
7745554 Method for producing a polyisobutene Jun. 29, 2010
7741416 Colloidal photonic crystals using colloidal nanoparticles and method for preparation thereof Jun. 22, 2010
7662900 Method for producing polyisobutene Feb. 16, 2010
7645847 Process for preparing polyolefin products Jan. 12, 2010
7615598 Method for manufacturing high viscosity polyalphaolefins using ionic liquid catalysts Nov. 10, 2009
7498396 Mid-range vinylidene content polyisobutylene polymer product produced by liquid phase polymerization process Mar. 3, 2009
7485764 Method for the production of polyisobutene Feb. 3, 2009
7423100 Polymerization processes Sep. 9, 2008
7414101 Polymerization processes Aug. 19, 2008
7411104 Method for producing polybutene Aug. 12, 2008
7402645 Soluble polyfunctional vinyl aromatic polymer and method of producing the same Jul. 22, 2008
7365152 Method for producing highly reactive, low halogen polyisobutenes Apr. 29, 2008
7351780 Method for manufacturing high viscosity polyalphaolefins using ionic liquid catalysts Apr. 1, 2008
7288614 Substituted cycloalkanes, and use thereof as cationic polymerization initiators Oct. 30, 2007
7282548 Process for production of high-isoprene butyl rubber Oct. 16, 2007
7256244 Process for production of high-isoprene butyl rubber Aug. 14, 2007
7244870 Method for producing polyisobutenes Jul. 17, 2007
7232872 Polymerization processes Jun. 19, 2007
7217773 Method for producing polyisobutene May. 15, 2007
7214750 Polymerization processes May. 8, 2007
7132488 Method for producing homopolymers and copolymers of isobutene Nov. 7, 2006
7091293 Stereoregular polar vinyl polymers and methods of making the same Aug. 15, 2006
7056990 Process for producing mid-range vinylidene content polyisobutylene polymer products Jun. 6, 2006
7049383 Polyisobutene composition May. 23, 2006
7034085 Method for polymerizing ethylenically unsaturated monomers by degenerative iodine transfer Apr. 25, 2006
7001966 Method for the production of isobutene polymers Feb. 21, 2006
6995221 Method for producing organic peroxides and their use in the radical polymerization of monomers Feb. 7, 2006
6992155 Method for producing magnetic particle, magnetic particle and magnetic material Jan. 31, 2006
6992152 Apparatus and method for controlling olefin polymerization process Jan. 31, 2006
6987165 Method for producing highly reactive polyisobutenes Jan. 17, 2006
6946530 Process for the gas-phase (co-)polymerization of olefins in a fluidized bed reactor Sep. 20, 2005
6939933 Process for polymerizing cationically polymerizable monomers Sep. 6, 2005
6939943 Method for deactivating and recovering boron trifluoride when producing polyisobutenes Sep. 6, 2005
6884858 Process for preparing polyolefin products Apr. 26, 2005
6867267 Petroleum resins and their production with BF3 catalyst Mar. 15, 2005
6867272 Aluminium compounds for producing vinylic polymers Mar. 15, 2005

1 2 3 4 5 6










 
 
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