Contains An Exterior Ethylenic Substituent Bonded To A Single Carbon Atom Of The Bridged Ring System Patents (Class 526/282)
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Patent number: 4835232Abstract: Bismaleimide resin systems containing one or more bismaleimides and an alkenyl and/or alkynyl substituted phenylated dicyclopentadiene comonomer have high glass transition temperatures and impact resistance.Type: GrantFiled: January 22, 1988Date of Patent: May 30, 1989Assignee: BASF AktiengesellschaftInventors: Gunnar Schornick, Philipp Eisenbarth, Rudolf Schuhmacher, Jack D. Boyd
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Patent number: 4831094Abstract: Articles having shape recovering properties and methods of using them are disclosed. An article is formed from a composition containing a norbornene polymer by forming said polymer into an article having a first shape, then deforming the article in the solid state to a second shape and cooling the article to a first temperature at or below the glass transition temperature of the polymer to retain said second shape, and finally heating said article to a temperature above the first temperature to recover the first shape.Type: GrantFiled: November 3, 1987Date of Patent: May 16, 1989Assignee: Societe Chimique des Charbonnages, S.A.Inventors: Claude Stein, Hitoshi Nagai, Akio Ueda, Satoru Isomura
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Patent number: 4814355Abstract: The polymerization of compositions containing styrene by an aqueous suspension process in which is used a suspending agents system constituted by a mineral agent and, an extending agent which is at least a rosin acid derivative (abietic acid, neoabietic acid, dextropimaric acid) or their salts of a metal belonging to Group IIa of the Periodic Classification of elements. The use of this extending agent has the advantage to ameliorate the surface aspect of moulded articles obtained from expanded polymer pearls prepared with the above polymerization process.Type: GrantFiled: June 1, 1988Date of Patent: March 21, 1989Assignee: Societe Chimique des Charbonnages SA Tour AuroreInventor: Didier Lozachmeur
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Patent number: 4810055Abstract: An optical fiber of a sheath-core structure is disclosed. The fiber has for its core a copolymer which includes an aliphatic N-substituted maleimide as a monomer unit, and preferably methyl methacrylate as an additional monomer unit. These optical fibers have high light transmittance, good mechanical characteristics and an excellent heat-resisting durability.Type: GrantFiled: September 29, 1987Date of Patent: March 7, 1989Assignee: Toray Industries, Inc.Inventors: Heiroku Suganuma, Shoshiro Taneichi, Hisaaki Kobayashi, Tadayo Matsunaga
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Patent number: 4808635Abstract: Disclosed is a method of making a cross-linked poly(dicyclopentadiene) with a metathesis-catalyst system, where the metathesis-catalyst system contains an organoaluminum or organoaluminum halide activator and a pentavalent tantalum catalyst. In a preferred embodiment, the cross-linked polymer is formed by combining, in a first place, a plurality of reactant streams, one reactant stream which contains the activator, a second reactant stream which contains the catalyst and at least one reactant stream which contains dicyclopentadiene; then injecting the combined reactant streams into a second place, such as a mold, where polymerization occurs. Use of the pentavalent tantalum catalyst results in the formation of a cross-linked polymer having less color and greater transparency than cross-linked poly(dicyclopentadiene) made without a pentavalent tantalum catalyst.Type: GrantFiled: June 10, 1987Date of Patent: February 28, 1989Assignee: Hercules IncorporatedInventor: Tuyen T. Nguyen
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Patent number: 4782126Abstract: Polymers formed from anhydrides of the formula I ##STR1## in which R.sub.1 and R.sub.2 independently of one another are hydrogen or methyl.The novel polymers are suitable for use as curing agents for polyepoxide compounds.Type: GrantFiled: September 16, 1987Date of Patent: November 1, 1988Assignee: Ciba-Geigy CorporationInventors: Alfred Renner, Theobald Haug, Bruno Schreiber
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Patent number: 4769392Abstract: The polymerization of compositions containing styrene by an aqueous suspension process in which is used a suspending agents system constituted by a mineral agent and, an extending agent which is at least a rosin acid derivative (abietic acid, neoabietic acid, dextropimaric acid) or their salts of a metal belonging to Group IIa of the Periodic Classification of elements. The use of this extending agent has the advantage to ameliorate the surface aspect of moulded articles obtained from expanded polymer pearls prepared with the above polymerization process.Type: GrantFiled: September 16, 1987Date of Patent: September 6, 1988Assignee: Societe Chimique des Charbonnages Sa Tour AuroreInventor: Didier Lozachmeur
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Patent number: 4696979Abstract: A process for producing a propylene copolymer having improved transparency and rigidity, which comprises carrying out (A) the polymerization of a vinyl cycloalkane having at least 6 carbon atoms and (B) the polymerization of propylene either alone or with ethylene in a multiplicity of steps in the presence of a catalyst system composed of a titanium compound and an organoaluminum compound. The content of the vinyl cycloalkane unit in the resulting copolymer is 0.05 to 10,000 weight ppm.Type: GrantFiled: December 27, 1984Date of Patent: September 29, 1987Assignee: Sumitomo Chemical Company, LimitedInventors: Akinobu Shiga, Masahiro Kakugo, Junpei Kozima, Kizuku Wakatsuki
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Patent number: 4695614Abstract: A process for producing an olefin copolymer rubber by slurry-polymerizing ethylene, at least one .alpha.-olefin and at least one non-conjugated diene in a poor solvent for the copolymer in the presence of a catalyst consisting of an organometallic compound (the first component) and a transition metal compound (the second component), characterized by using, an organoaluminum compound as the first component of the catalyst, and using, as the second component, a modified vanadium compound obtained by contacting a vanadium compound with at least one compound selected from the group consisting of the compounds represented by the following formulas: ##STR1## wherein R is a hydrocarbon group of 1 to 20 carbon atoms and X.sub.1, X.sub.2 and X.sub.3 are independently halogen atoms or alkoxyl groups. This process can prevent a gel from being formed during polymerization.Type: GrantFiled: April 7, 1986Date of Patent: September 22, 1987Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Yoshihide Yamazaki, Kazumi Uchimura, Satoshi Yamashita, Mikio Takeuchi
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Patent number: 4689379Abstract: An improved hair spray resin comprising microspheres of vinyl acetate/mono-n-C.sub.4 -C.sub.5 alkyl maleate/ an isobornyl acrylate terpolymer in a molar ratio of about 1:0.35-1:0.05-0.25 and a one-step suspension polymerization process for the preparation of said resin in yields above 85%.Type: GrantFiled: January 23, 1987Date of Patent: August 25, 1987Assignee: GAF CorporationInventor: Jui-Chang Chuang
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Patent number: 4663394Abstract: A crystalline polybutene-1 composition containing from 1.times.10.sup.-6 to 10% byweight of a vinylcycloalkane unit having a melting point of 180.degree. C. or higher in terms of its homopolymer, is disclosed. The composition has a markedly improved rate of crystal conversion of polybutene-1.Type: GrantFiled: June 20, 1985Date of Patent: May 5, 1987Assignee: Sumitomo Chemical Company, LimitedInventors: Masahiro Kakugo, Kizuku Wakatsuki
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Patent number: 4620028Abstract: Compounds having the general formula: ##STR1## wherein X is the 2-(1,7,7-trimethylbicyclo[2.2.1]hept-2-yl)oxy, R is --(CH.sub.2).sub.p -- where p varies from 1 to 3; R' is (CH.sub.2).sub.n -- where n varies from 1 to 7; R" is hydrogen or methyl; and m is 0 to 4.Type: GrantFiled: May 28, 1985Date of Patent: October 28, 1986Assignee: SCM CorporationInventors: C. Rodney Gorman, James M. Evans, Sean G. Traynor
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Patent number: 4614777Abstract: Disclosed is an addition interpolymer (vinyl type) containing at least one silicon atom directly bonded to a hydrolyzable group in which the addition interpolymer is derived from a mixture of copolymerizable ethylenically unsaturated monomers containing an isobornyl group-containing monomer selected from the group consisting of isobornyl methacrylate, isobornyl acrylate and a mixture thereof. The amount of the isobornyl group-containing monomer ranges from 10 to 60 percent by weight based on the total weight of the mixture of copolymerizable ethylenically unsaturated monomers.Type: GrantFiled: August 5, 1985Date of Patent: September 30, 1986Assignee: PPG Industries, Inc.Inventor: Charles M. Kania
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Liquid, curable coating composition based on a hydroxyl groups-containing addition polymer as binder
Patent number: 4605719Abstract: Liquid, curable coating compositions are provided based on an addition polymer containing hydroxyl groups and a curing agent. The compositions have a high solids content and hence a low solvent emission upon application. The addition copolymer contains structural units derived from isobornyl (meth)acrylate and/or a mono-ethylenically unsaturated compound of decahydronaphthalene and/or tricyclo(5.2.1.0.sup.2,6 ) and has a Mn of 600-15000 and a hydroxyl number of 30-320. The curing agent may be (blocked) isocyanate or methylolated aminoplast resin.The composition may be applied to vehicles as a top coat.Type: GrantFiled: August 5, 1985Date of Patent: August 12, 1986Assignee: Akzo NVInventor: Frank C. Peelen -
Patent number: 4603174Abstract: A stretched polypropylene film having excellent see-through characteristics, which is prepared by stretching in at least one direction a polypropylene resin sheet containing 0.05 ppm to 10,000 ppm by weight of a 3-position branched .alpha.-olefin unit and/or a vinyl cycloalkane unit, each having at least 6 carbon atoms.Type: GrantFiled: December 27, 1984Date of Patent: July 29, 1986Assignee: Sumitomo Chemical Company, LimitedInventors: Tadayuki Okada, Masahiro Kakugo, Yoshiharu Fukui, Kizuku Wakatsuki, Seiichiro Ima, Junichi Kimura
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Patent number: 4599391Abstract: Provided is a power cable coating composition comprising a copolymer of ethylene or ethylene and an .alpha.-olefin with 0.02-2 mol % of a cyclic non-conjugated diene, said copolymer being prepared by a high-pressure radical polymerization process, said copolymer having a melt index of 0.2-10 g/10 min and an iodine value in the range of 0.2 to 20, and not more than 2.5 parts by weight, based on 100 parts by weight of said copolymer, of a peroxide, said composition on heat-crosslinking affording a crosslinked product having at least the following properties:(a) a percent heat-deformation at 120.degree. C. not more than 20%, and(b) a maximum peak temperature (Tm) not lower than 100.degree. C. measured according to the differential scanning calorimetry (DSC).Type: GrantFiled: December 18, 1984Date of Patent: July 8, 1986Assignee: Nippon Petrochemicals Company, LimitedInventors: Kaoru Yamamoto, Takashi Inoue, Shinji Kojima, Sadahiro Nishimura
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Patent number: 4599378Abstract: Aqueous vinyl ester copolymer emulsions possessing good dry pick and wet pick strengths in paper coating compositions comprise a vinyl ester copolymer colloidally dispersed in an aqueous medium, the copolymer consisting essentially of (a) a vinyl ester of a C.sub.1 -C.sub.12 alkanoic acid, (b) about 0.1 to 10 wt % of an ethylenically unsaturated mono- or dicarboxylic acid or half ester thereof, (c) about 0.05 to 10 wt % of a dicyclopentadienyl acrylate, and (d) 0-50 wt % of an alkyl acrylate.Type: GrantFiled: June 22, 1984Date of Patent: July 8, 1986Assignee: Air Products and Chemicals, Inc.Inventors: Mary L. Hausman, Gerald D. Miller, Lawrence K. Wempe
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Patent number: 4598132Abstract: EPDM rubbers having improved properties are obtained by carrying out the polymerization using a catalyst system consisting of a vanadium compound, an aluminum halide and an ester, the ester being a polymer containing ester groups.Type: GrantFiled: September 25, 1985Date of Patent: July 1, 1986Assignee: Bunawerke Huls GmbHInventor: Manfred Beck
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Patent number: 4591626Abstract: A polymer obtained by polymerizing tricyclo[5.2.1.0.sup.2,6 ]deca-8-yl acrylate or methacrylate in an amount of 100-5% by weight with one or more copolymerizable unsaturated monomers in an amount of 0 to 95% by weight is excellent in transparency, moisture resistance, and heat resistance and is suitable as a material for optical elements.Type: GrantFiled: October 23, 1984Date of Patent: May 27, 1986Assignee: Hitachi Chemical Company, Ltd.Inventors: Hiromasa Kawai, Takashi Morinaga, Hiromu Miyajima, Toshio Akima, Mitsuharu Kato, Yutaka Hosoi
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Patent number: 4588794Abstract: A rubbery copolymer of ethylene, 1-butene and a polyene, characterized by having (A) an ethylene/1-butene mole ratio of from 86/14 to 95/5, (B) an iodine value of from 2 to 40, (C) an intrinsic viscosity [.eta.], measured in decalin at 135.degree. C., of from 0.8 to 4 dl/g, and (D) a weight average molecular weight/number average molecular weight ratio (Mw/Mn) of less than 3; and a process for the production thereof.Type: GrantFiled: August 28, 1984Date of Patent: May 13, 1986Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Hidekuni Oda, Kazuhiko Murata, Hirokazu Kajiura, Akira Matsuda
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Patent number: 4587318Abstract: Provided is an ethylene copolymer composition for rotational molding, comprising a copolymer of a predominant ethylene and 0.02 to 1 mole % of a non-conjugated diene represented by the following formula (I) or (II) or a derivative thereof: ##STR1## wherein R.sub.1 is an alkylene group having one or two carbon atoms and R.sub.2 is hydrogen or an alkyl group having one or two carbon atoms, and an organic peroxide, said copolymer having a melt index of 2 to 50 g/10 min, a density of 0.930 to 0.970 g/cm.sup.3 and a maximum peak temperature (Tm) measured according to Differential Scanning Calorimetry (DSC) of not lower than 100.degree. C.Type: GrantFiled: January 24, 1985Date of Patent: May 6, 1986Assignee: Nippon Petrochemicals Company, LimitedInventors: Takashi Inoue, Mituji Miyoshi, Kazuo Matsuura, Kaoru Yamamoto
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Patent number: 4556701Abstract: This invention relates to impregnant compositions for porous substrates prepared from dicyclopentenyl and dicyclopentenyloxy (C.sub.1 -C.sub.4)alkyl acrylates and methacrylates and which include at least about 4% by weight of the impregnant composition of a component selected from the drying oil fatty acids and mixtures thereof. Cementitious surfaces impregnated with and sealed using these compositions exhibit improved water and crack resistance.Type: GrantFiled: March 30, 1984Date of Patent: December 3, 1985Assignee: Rohm and Haas CompanyInventors: Frederick J. Schindler, Raymond L. Fulton, Jr.
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Patent number: 4529656Abstract: Nonblocking oil-swellable oil-insoluble synthetic resinous particle are prepared using isobornyl methacrylate as major monomer.Type: GrantFiled: April 22, 1983Date of Patent: July 16, 1985Assignee: The Dow Chemical CompanyInventors: Daniel H. Haigh, Edwin G. Larson
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Patent number: 4510303Abstract: An ethylene-alpha-olefin-polyene random copolymer rubber comprising ethylene, an alpha-olefin having 3 to 10 carbon atoms and a polyene, wherein (A) a molar ratio of ethylene/alpha-olefin is 55/45 to 95/5, (B) the polyene is a mixture of 5-ethylidene-2-norbornene (ENB) and 5-vinyl-2-norbornene (VNB) in a molar ratio of ENB/VNB of 1/1 to 20/1, (C) an iodine value of the copolymer rubber is 2 to 40, (D) an intrinsic viscosity [.eta.] of the copolymer rubber is 1.0 to 6.0 dl/g measured in decalin at 135.degree. C., and (E) g.sub..eta. * defined by a ratio of the intrinsic viscosity [.eta.] to an intrinsic viscosity [.eta.]l of a linear ethylene-propylene random copolymer having an ethylene content of 70 mole % and the same weight-average molecular weight determined by a light-scattering method as that of the copolymer rubber is 0.2 to 0.9. Also a process for preparing this random copolymer rubber and vulcanizate derived from the same are also disclosed.Type: GrantFiled: May 6, 1983Date of Patent: April 9, 1985Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Hidekuni Oda, Syuji Minami, Hiroshi Inoue, Akira Matsuda, Yohzoh Yamamoto
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Patent number: 4504618Abstract: This invention relates to stable aqueous dispersions of film-forming addition polymer.Novel aqueous dispersions comprise polymer which is a copolymer of amphipathic and non-amphipathic monomer. The amphipathic monomer has an HLB value of at least 8, the hydrophilic component thereof is non-ionic, and the lipophilic component has a molecular weight of at least 100, comprises at least one ethylenic double bond but has no acrylyl or methacrylyl structure. The polymer comprises up to 80% by weight of amphipathic monomer.The dispersions are useful as components of such compositions as surface coatings and adhesives.Type: GrantFiled: July 11, 1983Date of Patent: March 12, 1985Assignee: Dulux Australia Ltd.Inventors: Antony J. Irvine, Bruce Leary, Christopher H. Such
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Patent number: 4503185Abstract: Aqueous vinyl ester/ethylene copolymer emulsions possessing good dry pick and wet pick strengths in paper coating compositions comprise a vinyl ester/ethylene copolymer colloidally dispersed in an aqueous medium, the copolymer consisting essentially of (a) a vinyl ester of a C.sub.1 -C.sub.12 alkanoic acid, (b) about 0.5 to 15 wt % ethylene, (c) about 0.1 to 10 wt % of an ethylenically unsaturated mono- or dicarboxylic acid or half ester thereof, (d) about 0.05 to 10 wt % of a dicyclopentadienyl acrylate, and (e) 0-50 wt % of an alkyl acrylate.Type: GrantFiled: June 22, 1984Date of Patent: March 5, 1985Assignee: Air Products and Chemicals, Inc.Inventors: Mary L. Hausman, Gerald D. Miller, Lawrence K. Wempe
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Patent number: 4490515Abstract: An adhesive composition having improved thermal properties, especially hot strength, comprising (a) at least one polymerizable cyanoacrylate monomer, (b) about 0.1 to about 10% by weight of at least one polymerizable acrylate ester and (c) about 0.1 to about 20% by weight of an additive selected from the group consisting of the following compounds: ##STR1## wherein R.sup.7 and R.sup.8 are selected from the group consisting of alkyl, cycloalkyl, aralky and alkaryl. The compositions disclosed herein have excellent hot strength properties for long periods at 250.degree. F. or more.Type: GrantFiled: March 7, 1983Date of Patent: December 25, 1984Assignee: Loctite CorporationInventors: Chris S. Mariotti, Ju-Chao Liu
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Patent number: 4463169Abstract: Polymerizable compositions comprise(a) a compound containing(i) at least one acryloyloxy or methacryloyloxy group,(ii) at least one allyl, methallyl, or 1-propenyl group attached, either directly, or through an oxygen atom or an oxycarbonyl group, to a carbon atom which forms part of an aromatic or cycloaliphatic nucleus,(b) a compound containing in the molecule both(iii) at least one acryloyloxy or methacryloyloxy group and(iv) at least one --COOH group, and(c) a compound containing at least two mercaptan groups directly attached to aliphatic carbon atoms.Examples of (a) are 2,2-bis(3-allyl-4-(3-(methacryloyloxy)-2-(2-carboxyethylcarbonyloxy)propox y)phenyl)propane, 1-(allyloxycarbonyl)-2,4-bis(3-(methacryloyloxy)-2-(2-carboxyethylcarbonyl oxy)propoxycarbonyl)benzene, and diallyl bis(3-methacryloyloxy)-2-(2-carboxyethylcarbonyloxy)propyl) esters of benzophenone-3,4,3',4'-tetracarboxylic acid. Examples of (b) are acrylic acid and 2-(methacryloyloxy)ethyl 5-carboxycyclohex-1-ene-4-carboxylate.Type: GrantFiled: September 13, 1982Date of Patent: July 31, 1984Assignee: Ciba-Geigy CorporationInventor: Edward Irving
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Patent number: 4460625Abstract: This invention concerns coating and impregnating compositions for concrete of an essentially anhydrous character comprising (1) a monomer blend of (a) dicyclopentenyl or dicyclopentenyloxyalkyl methacrylate or acrylate and (b) hydroxy alkyl methacrylate and (2) a polymerization catalyst of (a) an organic peroxide and an aromatic amine accelerator, or (b) a polyvalent metal salt or complex and an organic hydroperoxide, or (c) mixtures of (a) and 0.0005% to 2% by weight, based on total amount of monomers, of a polyvalent metal salt or complex, or (d) mixtures of (a) and (b), which can be applied to porous surfaces such as concrete as an impregnant and which can be polymerized in situ in order to reduce the permeability of the surface and to provide hard, continuous, hydrophobic, wear resistant and weather resistant surfaces.Type: GrantFiled: December 22, 1982Date of Patent: July 17, 1984Assignee: Rohm and Haas CompanyInventors: William D. Emmons, Joseph A. Lavelle
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Patent number: 4426504Abstract: Disclosed is an acrylic curable composition of improved flexibility that cures rapidly at room temperature in the presence of acrylic catalysts. The composition comprises between about 70% and 95% by weight dicyclopentenyl oxyethyl methacrylate and between about 5% and 30% of a linear polyalkylene glycol diacrylate or dimethacrylate cross-linking agent. Excellent flexibility and strength are achieved by use of the named cross-linking agents within the critical range set forth.Type: GrantFiled: June 7, 1982Date of Patent: January 17, 1984Assignee: Battelle Development CorporationInventor: Uma S. Nandi
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Patent number: 4426505Abstract: New polymers are disclosed comprising recurring units of the formula ##STR1## wherein R is hydrogen or lower alkyl containing from 1 to 5 carbon atoms, L is a divalent linking group, and each X is independently chloro or bromo. The polymers are capable of providing a relatively high index of refraction in combination with a relatively high Abbe number and can be utilized as raw materials in the manufacture of plastic optical articles or elements such as lenses or prisms and in the manufacture of optical films and coatings.Type: GrantFiled: February 25, 1982Date of Patent: January 17, 1984Assignee: Polaroid CorporationInventor: Richard A. Minns
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Patent number: 4420595Abstract: Process for the preparation of copolymers consisting of 25-85% by wt. of ethylene, 15-75% by wt. of at least one other 1-alkene and optionally up to 20% by wt. of a polyunsaturated compound with application of a catalyst system containing a compound of a metal from sub-groups IV-VI of the periodic system and a compound of a metal from groups I-III of the periodic system, in which at least one hydrocarbon group is bound directly to the metal atom via a carbon atom, the polymerization being carried out in the presence of certain halogen containing activators.Type: GrantFiled: July 10, 1981Date of Patent: December 13, 1983Assignee: Stamicarbon B.V.Inventor: Georges G. Evens
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Patent number: 4416950Abstract: Fibrous sheets are transparentized by coating them with monomers of the formula: ##STR1## wherein R is hydrogen or lower alkyl and n is an integer of 0 to 6; and polymerizing the monomers.Type: GrantFiled: April 29, 1982Date of Patent: November 22, 1983Assignee: Andrews Paper & Chemical Co.Inventors: Peter Muller, Henry Mustacchi, Leonard Kreicas
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Patent number: 4400413Abstract: There are disclosed polymer concrete compositions of essentially anhydrous character comprising (1) an inert inorganic particulate material, such as sand, crushed stone or rock, and mixtures thereof, mixed with (2) a monomer blend of (a) dicyclopentenyloxyalkyl methacrylate or acrylate and (b) hydroxyalkyl methacrylate to form a paste or slurry suitable upon addition thereto of (3) a polymerization catalyst of (a) an organic peroxide and an aromatic amine accelerator, or (b) a polyvalent metal salt or complex and an organic hydroperoxide, or (c) mixtures of (a) and 0.0005% to 2% by weight, based on total amount of monomers, of a polyvalent metal salt or complex, or (d) mixtures of (a) and (b), to be used to form or to patch previously formed or laid, concrete floors and road pavements or as a coating for a variety of substrates such as metal and plastic sheet.Type: GrantFiled: July 16, 1981Date of Patent: August 23, 1983Assignee: Rohm and Haas CompanyInventors: William D. Emmons, Joseph A. Lavelle
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Patent number: 4388434Abstract: The specification discloses a lithographic ink vehicle containing an addition copolymer of ethylenically unsaturated monomers having a critical calculated second order transition temperature (T.sub.g), and a critical molecular weight, utilizing as the essential solvents in the ink a predominantly aliphatic hydrocarbon having a kauri-butanol value of between about 18 and 31, preferably between about 21 and 28, in which the polymer must be soluble. Among the preferred monomers are isobornyl methacrylate and isobutyl methacrylate. Other ethylenically unsaturated monomers may be included, particularly functional monomers in small amounts having acid or amine groups.Type: GrantFiled: December 8, 1980Date of Patent: June 14, 1983Assignee: Rohm and Haas CompanyInventors: Graham Swift, Harry J. Cenci, Raymond F. Jenkins
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Patent number: 4387182Abstract: Cycloalphatic acrylate compositions and methods of making them are disclosed. The compositions are mixtures containing dicyclopentadiene (meth) acrylate and (meth) acrylates such as the mono and di (meth) acrylates of tri, and tetracyclopentadiene and a mixture of the copolymers of (meth) acrylic acid with adducts of cyclopentadiene with isoprene and/or piperylene and a mixture of poly (meth) acrylates having the repeating unit ##STR1## where R.sup.1 is hydrogen or ##STR2## R.sup.2 is CH.sub.2 .dbd.CZ--C(O)--O-- Z is H, or methyln is 0, 1 or 2 andm is 0 or 1 and when m is 0 there is a double bond present.The compositions are useful to make cross-linkable blends with unsaturated resins or monomers and to make laminates.Type: GrantFiled: May 29, 1981Date of Patent: June 7, 1983Assignee: The Dow Chemical Co.Inventors: Hans R. Friedli, Donald L. Nelson, John L. Massingill, Jr.
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Patent number: 4377671Abstract: In a process for producing a rubbery olefinic copolymer which comprises random-copolymerizing at least two olefins in the presence of a catalyst composed of (A) a titanium compound and (B) an organometallic compound of a metal of Groups I to III of the periodic table, the improvement wherein the titanium compound (A) of the catalyst is a solution of a solid titanium halide in a hydrocarbon solvent, a halogenated hydrocarbon solvent or a mixture of both, said solid titanium halide being rendered soluble in said solvent.Type: GrantFiled: July 7, 1981Date of Patent: March 22, 1983Assignee: Japan EP Rubber Co., Ltd.Inventors: Kenya Makino, Hideo Sakurai, Masaru Watanabe, Toshiyuki Nishimura
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Patent number: 4366297Abstract: In a process for producing a rubber olefin copolymer which comprises random copolymerization of at least two olefins in the presence of a catalyst composed of (A) a titanium compound and (B) an organometallic compound of a metal of Groups I to III of the periodic table, the improvement wherein the titanium compound (A) is a liquid product obtained by treating a titanium tetrahalide of the general formula TiX.sub.4 in which X represents Cl, Br or I in a hydrocarbon, a halogenated hydrocarbon or a mixture of both in the presence of an ether with at least one member selected from the group consisting of (1) an organoaluminum compound, (2) an organomagnesium compound and (3) a combination of hydrogen and at least one metal or metal compound selected from the group consisting of metals of Group IB, IIB, IVB and VIII of the periodic table, compounds of metals of Group VIII of the periodic table, cuprous chloride, titanium hydride and zirconium hydride.Type: GrantFiled: October 23, 1980Date of Patent: December 28, 1982Assignee: Japan EP Rubber Co., Ltd.Inventors: Kenya Makino, Hideo Sakurai, Masaru Watanabe, Toshiyuki Nishimura
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Patent number: 4362848Abstract: Cycloalphatic acrylate compositions and methods of making them are disclosed. The compositions are mixtures containing dicyclopentadiene (meth) acrylate and (meth) acrylates such as the mono and di (meth) acrylates of tri, and tetracyclopentadiene and a mixture of the copolymers of (meth) acrylic acid with adducts of cyclopentadiene with isoprene and/or piperylene and a mixture of poly (meth) acrylates having the repeating unit ##STR1## Where R.sup.1 is hydrogen or ##STR2## R.sup.2 is CH.sub.2 .dbd.CZ--C(O)--O-- Z is H, or methyln is 0, 1 or 2 andm is 0 or 1 and when m is 0 there isa double bond present.The compositions are useful to make cross-linkable blends with unsaturated resins or monomers and to make laminates.Type: GrantFiled: May 29, 1981Date of Patent: December 7, 1982Assignee: The Dow Chemical Co.Inventors: Hans R. Friedli, Donald L. Nelson, John L. Massingill, Jr.
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Patent number: 4361686Abstract: A process for preparing a copolymer by copolymerizing ethylene and at least one other 1-monoolefin and, optionally, and unconjugated diene in the presence of a mixed catalyst of (1) a compound of a metal of main Groups I-III of the periodic table having at least one hydrogen atom or an alkyl or aryl group bound to the metal atom, and (2) a compound of a metal of Subgroups IV-VI of the periodic table, comprises performing the copolymerization in the presence of an amount effective as an activator of a 2, 3,4,4-tetrachloro-2-butenoic acid ester of the fromulaHCCl.sub.2 --CCl=CCl--COORwherein R is an optionally halogenated alkyl, cycloalkyl, aryl, alkaryl or aralkyl group, and wherein the cycloalkyl, aryl, alkaryl or aralkyl groups are optionally substituted by one or more alkyl groups.Type: GrantFiled: August 21, 1980Date of Patent: November 30, 1982Assignee: Chemische Werke Huels, AktiengesellschaftInventors: Wolfgang Zaar, Manfred Schroeder, Gunther Maahs
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Patent number: 4355148Abstract: A polymeric composition of matter formed by ring opening polymerization using a metathesis catalyst comprising bound antioxidant which is a reaction product of a norbornene-type monomer and a norbornenyl phenolic antioxidant.Type: GrantFiled: September 18, 1980Date of Patent: October 19, 1982Assignee: The B. F. Goodrich CompanyInventors: Robert W. Layer, Linwood P. Tenney
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Patent number: 4343926Abstract: The invention concerns a process for the production of elastomeric terpolymers of ethylene, propylene and dienes by the direct polymerization of the monomeric olefins in the gaseous state, in contact with a catalytic system comprising one or more solid compounds of titanium. The resulting terpolymers which are produced in the form of powders can be used without intermediate transformation for the production of molded or extruded articles.Type: GrantFiled: July 2, 1980Date of Patent: August 10, 1982Assignee: NAOHTACHIMIE Societe AnonymeInventors: Francois Caumartin, Jean L. Vidal, Pierre Mangin
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Patent number: 4323696Abstract: The invention relates to (meth)acrylic acid esters of compounds of Formula (I) as defined infra and methods for their preparation. The esters formed can be used to provide dental repair material and also to provide adhesive or sealing agents. In addition, the invention includes a process for preparing compositions which harden in the absence of oxygen by admixing a compound of the invention with an initiator.Type: GrantFiled: August 1, 1980Date of Patent: April 6, 1982Assignee: Bayer AktiengesellschaftInventors: Robert Schmitz-Josten, Manfred Dietrich, Bruno Bomer
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Patent number: 4319009Abstract: Cycloalphatic acrylate compositions and methods of making them are disclosed. The compositions are mixtures containing dicyclopentadiene (meth) acrylate and (meth) acrylates such as the mono and di (meth) acrylates of tri, and tetracyclopentadiene and a mixture of the copolymers of (meth) acrylic acid with adducts of cyclopentadiene with isoprene and/or piperylene and a mixture of poly (meth) acrylates having the repeating unit ##STR1## where R.sup.1 is hydrogen or ##STR2## R.sup.2 is CH.sub.2 .dbd.CZ-C(O)--O-- Z is H, or methyln is 0, 1 or 2 andm is 0 or 1 and when m is 0 there isa double bond present.The compositions are useful to make crosslinkable blends with unsaturated resins or monomers and to make laminates.Type: GrantFiled: October 13, 1978Date of Patent: March 9, 1982Assignee: The Dow Chemical CompanyInventors: Hans R. Friedli, Donald L. Nelson, John L. Massingill, Jr.
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Patent number: 4317753Abstract: Offset ink compositions are disclosed which contain as a vehicle a resin (III) obtainable by the steps of:(a) copolymerizing 100 parts by weight of a five-membered ring compound having a conjugated double bond, represented by the general formula: ##STR1## (wherein H is hydrogen, R is an alkyl group having 1 to 3 carbon atoms, and m and n are each 0 or an integer of 1 or more such that m+n=6) and/or a Diels-Alder addition product of said five-membered ring compound (Component A), with 10 to 150 parts by weight of a codimer (Component B) of said five-membered ring compound and 1,3-butadiene;(b) reacting 100 parts by weight of the resulting hydrocarbon resin (I) with 1 to 15 parts by weight of an unsaturated carboxylic acid or an anhydride thereof (Component C); and(c) reacting at elevated temperatures 100 parts by weight of the resulting acid-modified resin (II) with 5 to 100 parts by weight of a phenol resin (Component D) obtainable by the condensation of a phenol with formalin.Type: GrantFiled: August 20, 1980Date of Patent: March 2, 1982Assignee: Nippon Oil Co., Ltd.Inventors: Shozo Tsuchiya, Makoto Sasaki, Hideo Hayashi
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Patent number: 4310647Abstract: Monoesters of fumaric acid and dicyclopentadienyl alcohol halogenated with one or two atoms of a halogen are compounds useful as reactive diluents for polyesters or vinyl ester resins.Type: GrantFiled: March 28, 1980Date of Patent: January 12, 1982Assignee: The Dow Chemical CompanyInventor: George Zacharias
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Patent number: 4306041Abstract: A method for obtaining improved diene conversion in the manufacture of EPDM type terpolymers is disclosed in which the polymerization reaction is conducted in a series of two or more stirred reactors with substantially all of the non-conjugated diene monomer being fed to the first reactor to thereby produce a polymer that has a non-uniform diene content.Type: GrantFiled: March 14, 1980Date of Patent: December 15, 1981Assignee: Exxon Research & Engineering Co.Inventors: Charles Cozewith, George N. Schmit
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Patent number: 4294948Abstract: A process for preparing an olefin polymer or copolymer by polymerizing or copolymerizing an olefin containing at least 3 carbon atoms which may contain at most 10 mole % of ethylene and/or a diene, in the presence of a catalyst composed of (A) a solid titanium catalyst component prepared by(1) reacting a mechanically pulverized product of an organic acid ester and a halogen-containing magnesium compound, with an active hydrogen-containing organic compound in the absence of mechanical pulverization,(2) reacting the resulting reaction product with an organometallic compound of a metal of Groups I to III of the periodic table in the absence of mechanical pulverization, and(3) washing the resulting solid reaction product with an inert organic solvent, reacting the washed solid reaction product with a titanium compound in the absence of mechanical pulverization, and separating the solid from the reaction system,and (B) an organometallic compound of a metal of Groups I to III of the periodic table; and a catalyst uType: GrantFiled: October 12, 1979Date of Patent: October 13, 1981Assignee: Mitsui Petrochemical Industries Ltd.Inventors: Akinori Toyota, Ken Yoshitugu, Norio Kashiwa
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Patent number: 4294744Abstract: A process for forming a powdered EPDM terpolymer, wherein the powder of said EPDM terpolymer has a volume density of about 10 to about 30 lb/ft.sup.3 which includes the steps of adding a cement of an EPDM terpolymer in a hydrocarbon solvent to water, a volume ratio of the water to the cement being about 60 to 1 to about 2 to 1; emulsify under high-shear the blend of the water and the cement thereby forming a dispersion of particles of the EPDM terpolymer in the water; steam stripping under high agitation the emulsified blend of the EPDM terpolymer, the water and the solvent thereby removing the solvent from the emulsified blend; filtering the dispersion of the particles of the EPDM terpolymer in the water to recover a wet powder of the EPDM terpolymer; and hot-air drying the wet powder of the EPDM terpolymer in a fluid-bed dryer.Type: GrantFiled: April 1, 1980Date of Patent: October 13, 1981Assignee: Exxon Research & Engineering Co.Inventors: Robert R. Klein, Henry S. Makowski, deceased
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Patent number: 4271223Abstract: Label stock comprising a plastic film backing which is a polymer of a urethane oligomer and affords unusually good ink receptivity.Type: GrantFiled: October 11, 1979Date of Patent: June 2, 1981Assignee: Minnesota Mining and Manufacturing CompanyInventors: Richard J. Lambert, John A. Martens