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Class Information
Number: 526/79
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 > Adding material to an on-going polymerization reaction, said addition being other than the continuous addition of the initial charge > Adding in an incremental or sequential manner
Description: Subject matter wherein the material is added in an incremental or sequential manner.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5534594 |
Preparation of butadiene-based impact modifiers |
Jul. 9, 1996 |
| 5532325 |
Process for producing high stiffness polypropylene |
Jul. 2, 1996 |
| 5512642 |
Process for making vinyl aromatic/alkoxylated allyl alcohol copolymers |
Apr. 30, 1996 |
| 5506318 |
Process for producing N-vinyl pyrrolidone polymer having low residual monomer |
Apr. 9, 1996 |
| 5475067 |
Process for polyolefin production using short residence time reactors |
Dec. 12, 1995 |
| 5468817 |
Vulcanizable compositions based on modified acrylic rubbers |
Nov. 21, 1995 |
| 5455315 |
Emulsion polymerization processes and toners thereof |
Oct. 3, 1995 |
| 5432236 |
Process for preparing polyolefins |
Jul. 11, 1995 |
| 5391657 |
Method for reducing sheeting and static charges during polymerization of ethylene polymers |
Feb. 21, 1995 |
| 5387660 |
Polymerization process |
Feb. 7, 1995 |
| 5385992 |
Method for the dosage of a fluidized polymerization catalyst into a polymerization reactor |
Jan. 31, 1995 |
| 5326836 |
Process for the preparation of a flame retardant styrenic resin |
Jul. 5, 1994 |
| 5322897 |
Copolymers containing hydroxyl groups, based on vinyl ester monomers, vinylaromatic monomers and hydroxylalkyl ester monomers, process for the preparation thereof and use thereof in coating co |
Jun. 21, 1994 |
| 5272228 |
Preparation of (co)polymers soluble in their (co)monomer compositions |
Dec. 21, 1993 |
| 5270396 |
Sequential coupling in formation of resinous block copolymers |
Dec. 14, 1993 |
| 5223567 |
Process for production of an ethanol solution of the ethyl or butyl half-ester of a copolymer of maleic anhydride and methyl vinyl ether |
Jun. 29, 1993 |
| 5216065 |
Emulsion polymerization with large particle size |
Jun. 1, 1993 |
| 5194486 |
Adhesive |
Mar. 16, 1993 |
| 5082910 |
Polymerization process using tertiary-amylperoxy pivalate as the free radical initiator |
Jan. 21, 1992 |
| 5068255 |
Ion exchange resins prepared by sequential monomer addition |
Nov. 26, 1991 |
| 5039764 |
Process for preparing carboxylated copolymers |
Aug. 13, 1991 |
| 5032650 |
Process for producing a highly syndiotactic styrene-based polymer |
Jul. 16, 1991 |
| 5028670 |
Process for the gas-phase polymerization of olefins in a fluidized-bed reactor |
Jul. 2, 1991 |
| 4985513 |
Conjugated diene copolymer, process for producing the same, and photosensitive resin composition comprising the same |
Jan. 15, 1991 |
| 4948848 |
Solution feed, slurry polymerization process for the production of copolymers of maleic anhydride and an alkyl vinyl ether having predetermined specific viscosities |
Aug. 14, 1990 |
| 4948849 |
Process for making copolymers of aromatic vinyl compounds ADD conjugated diolefins having substantial increase in aromatic vinyl compound differential content |
Aug. 14, 1990 |
| 4946913 |
Piezoelectric copolymers of vinylidene fluoride and trifluoroethylene |
Aug. 7, 1990 |
| 4943616 |
Living cationic polymerization process |
Jul. 24, 1990 |
| 4940761 |
Group transfer polymerization of glycidyl (meth)acrylate copolymers to form oxirane group-terminated block copolymers |
Jul. 10, 1990 |
| 4939198 |
Solution feed, solution polymerization process for production of copolymers of maleic anhydride and an alkylvinyl ether having low viscosities and high solids content |
Jul. 3, 1990 |
| 4916196 |
Process for producing a heat resistant resin composition |
Apr. 10, 1990 |
| 4853446 |
Phenothiazine composition for use in reactor scale prevention |
Aug. 1, 1989 |
| 4853426 |
In-reactor stabilization of polyolefins via coated stabilizers |
Aug. 1, 1989 |
| 4794004 |
Preparation of copolymers of ethylene with vinyl esters in a tubular reactor at above 500 bar |
Dec. 27, 1988 |
| 4794151 |
Preparation of finely divided homopolymers and copolymers of ethene using a liquid alkane as reaction medium |
Dec. 27, 1988 |
| 4788265 |
Preparation of copolmers of ethylene with acrylic acid esters in a tubular reactor at above 500 bar |
Nov. 29, 1988 |
| 4777230 |
Solution polymerization of acrylic acid derived monomers using tertiary alkyl(.eta.C.sub.5)hydroperoxides |
Oct. 11, 1988 |
| 4774299 |
Process for introducing a powder with catalytic activity into a fluidized-bed polymerization reactor |
Sep. 27, 1988 |
| 4748217 |
Preparation of tetrafluoroethylene fine powder |
May. 31, 1988 |
| 4699960 |
Process for the polymerization or copolymerization of butadiene |
Oct. 13, 1987 |
| 4659790 |
Heat-resistant copolymer of alpha-methylstyrene and acrylonitrile, process for preparing the same, and thermoplastic resin composition containing the same |
Apr. 21, 1987 |
| 4579918 |
Preparation of copolymers of ethylene with carboxyl-containing comonomers in a 2-zone reactor under more than 500 bar |
Apr. 1, 1986 |
| 4526928 |
.alpha.-Methylstyrene high-content copolymers, a process for their production and thermoplastic resin compositions containing .alpha.-methylstyrene high-content copolymers blended with graft |
Jul. 2, 1985 |
| 4504639 |
Process for polymerizing 1,3-butadiene |
Mar. 12, 1985 |
| 4460755 |
Direct conversion of a polymerization reaction catalyzed by a Ziegler-type catalyst into one catalyzed by a chromium-based catalyst |
Jul. 17, 1984 |
| 4438238 |
Low density copolymer composition of two ethylene-.alpha.-olefin copolymers |
Mar. 20, 1984 |
| 4414375 |
Oxygen permeable contact lens material comprising copolymers of multifunctional siloxanyl alkylesters |
Nov. 8, 1983 |
| 4390670 |
Acrylate/maleate copolymers, their preparation and use as antiscalants |
Jun. 28, 1983 |
| 4371659 |
Preparation of aqueous polymer dispersions having a polymer content of up to 75% by weight |
Feb. 1, 1983 |
| 4367320 |
Process for suspension polymerization of styrenic monomers |
Jan. 4, 1983 |
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