Contains Atoms Other Than Carbon And Hydrogen Patents (Class 526/309)
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Patent number: 5731383Abstract: This invention relates to difunctional telechelic linear non-crosslinked polyolefins without pendant chain branched groups. The polyolefin compounds of this invention are useful for preparing high molecular weight polyesters, polyamides, polyureas and polyurethanes of high density without branching of the polymer chains, and with low permeability to gases and solvents.Type: GrantFiled: September 3, 1996Date of Patent: March 24, 1998Assignee: Amoco CorporationInventors: Philip O. Nubel, Howard B. Yokelson
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Patent number: 5705503Abstract: Addition polymers containing functionally substituted polycyclic repeat units are prepared in the presence of a single or multicomponent catalyst system containing a palladium metal ion source. The catalysts are not poisoned by functional substituents and show good catalytic activity for polymerizing both endo and exo isomers of the substituted monomers. Optionally, the polymers are terminated with olefinic end groups.Type: GrantFiled: May 25, 1995Date of Patent: January 6, 1998Inventors: Brian Leslie Goodall, Wilhelm Risse, Joice P. Mathew
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Low yellow index polymer compositions, polymerizable compositions and lenses using said compositions
Patent number: 5702825Abstract: The present invention relates to a new polymer compositions for use in the manufacture of ophthalmic lenses, to their use in ophthalmology and to apparatus using these lenses, such as eyepieces and film/video camera optics.Type: GrantFiled: August 12, 1996Date of Patent: December 30, 1997Assignee: Essilor International (Compagnie Generale d'Optique)Inventors: Gabriel Keita, Joel Renaudineau, Leanirith Yean -
Patent number: 5686555Abstract: The present invention relates to absorbents for aqueous acids or lyes comprising cross-linked, polycationic homopolymers and topolymers of quaternized, monoethylenically unsaturated carboxylic acid amino esters and/or carboxylic acid amides of the formula?CH.sub.2 =C(--R.sub.1)--CO--X--(CH.sub.2).sub.n --C(--R.sub.2, --R.sub.3)--CH.sub.2 --N(--R.sub.4,--R.sub.5,--R.sub.6)!.sup..sym. Y,(A),whereinR.sub.1 represents hydrogen or the methyl group,R.sub.2 and R.sub.3 represent hydrogen or the same or different alkyl groups having 1 to 4 C-atoms,R.sub.4, R.sub.5 and R.sub.6 represent the same or different alkyl groups having 1 to 4 C-atoms,n stands for 0 or 1,X stands for --O-- or --NH--, andY represents an anionic acid residue.Type: GrantFiled: April 7, 1995Date of Patent: November 11, 1997Assignee: Chemische Fabrik Stockhausen GmbHInventors: Kurt Dahmen, Reinmar Peppmoller, Uwe Gunther
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Patent number: 5681900Abstract: A resin obtained by subjecting a norbornene type monomer having an aromatic ring structure (e.g. 5-phenyl-2-norbornene) to ring-opening polymerization and hydrogenating 95% or more of the unsaturated bonds in the backbone structure of the resulting polymer by the use of a catalyst composed of a combination of a transition metal compound and an alkyl metal compound, while leaving 80% or more of the aromatic ring structures, which resin has not only a high refractive index but also characteristics of a hydrogenated norbornene ring-opening polymerization product, i.e., excellent heat resistance, transparency, low birefringent properties, weather resistance, light resistance, low water absorption properties, moisture resistance, small dielectric constant, small dielectric loss, chemical resistance, etc., said resin being usable in optical materials, medical tools and materials, tools and materials for treating electronic parts, etc.Type: GrantFiled: January 22, 1996Date of Patent: October 28, 1997Assignee: Nippon Zeon Co., Ltd.Inventors: Toshihide Murakami, Teiji Kohara, Tadao Natsuume
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Patent number: 5668234Abstract: Acrylate monomers such as methyl methacrylate, or other suitable monomers such as lactams, lactones, or acrylamides, are polymerized by reaction injection molding (RIM) utilizing a combination of organo group-4 catalysts, e.g., a neutral organo catalyst and a cationic organo catalyst. Preferably a Lewis acid is utilized which reacts with the neutral organo catalyst and forms in situ the cationic organo catalyst. Significant exotherms are rapidly generated and result in short cure times and typically in high conversions of at least 95 percent by weight of the monomer. The catalysts of the present invention give good control of tacticity and thus high Tg polymers such as syndiotactic methyl methacrylate can be produced.Type: GrantFiled: September 12, 1994Date of Patent: September 16, 1997Inventors: Larry Funderburk Rhodes, Brian Leslie Goodall, Scott Collins
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Patent number: 5665844Abstract: The present invention pertains to a film for detecting chemical substances comprising a homopolymer or a copolymer having recurring units represented by the following formula (I): ##STR1## wherein X is --H, --F, --Cl, --Br, --CH.sub.3, --CF.sub.3, --CN or --CH.sub.2 CH.sub.3 ; and R.sup.1 is --R.sup.2 or --Z--R.sup.2 ;wherein Z is --O--, --S--, --NH--, --NR.sup.2' --, --(C.dbd.Y)--, --(C.dbd.Y)--Y--, --Y--(C.dbd.Y)--, --(SO.sub.2)--, --Y'--(SO.sub.2)--, --(SO.sub.2)--Y'--, --Y'--(SO.sub.2)--Y'--, --NH--(C.dbd.O)--, --(C.dbd.O)--NH--, --(C.dbd.O)--NR.sup.2' --, --Y'--(C.dbd.Y)--Y'-- or --O--(C.dbd.O)--(CH.sub.2).sub.n --(C.dbd.O)--O--;wherein Y is independently O or S, and Y' is independently O or NH, and n is an integer of 0 to 20;and wherein R.sup.2 and R.sup.2' represent independently a hydrogen atom, a linear alkyl group, a branched alkyl group, a cycloalkyl group, an unsaturated hydrocarbon group, an aryl group, a saturated or unsaturated hetero ring or derivatives thereof, provided that R.sup.Type: GrantFiled: November 15, 1993Date of Patent: September 9, 1997Assignee: Hoechst AktiengesellschaftInventors: Werner Prass, Thomas Stehlin, Yuan Liu, Shizuo Ogura, Tetsu Yamamoto, Akihiko Tokida, Kenji Motosugi
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Patent number: 5663260Abstract: A process for preparing hyperbranched polymers from AB monomers and C monomers Using a self-constructing approach is disclosed along with the hyperbranched polymers of a living-like character produced by such process.Type: GrantFiled: November 8, 1994Date of Patent: September 2, 1997Assignee: Cornell Research Foundation, Inc.Inventors: Jean M.J. Frechet, Sadahito Aoshima
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Patent number: 5621047Abstract: This invention relates to a process for preparation of non-crosslinked linear monofunctional and telechelic difunctional unsaturated polymers wherein the functional groups are acrylate or methacrylate groups. The average functionality number of the monofunctional unsaturated polymers is at least 0.7, as determined by nuclear magnetic resonance spectroscopy (NMR). The average functionality number of the telechelic difunctional polymers is at least 1.7, as determined by NMR. Alkyl acrylates or alkyl methacrylates are reacted with cyclic olefinic non-conjugated compounds or unsaturated hydrocarbon polymers to prepare monofunctional and difunctional polymers. The process is substantially free of side reactions comprising double bond migration and cyclization.Type: GrantFiled: October 13, 1995Date of Patent: April 15, 1997Assignee: Amoco CorporationInventors: Philip O. Nubel, Howard B. Yokelson, Steven A. Cohen, William G. Bouslog
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Patent number: 5612434Abstract: Copolymers of olefinically unsaturated monomers, wherein at least one of the monomers is an isomer mixture of a cyclic or polycyclic olefinically unsaturated compound, which mixture contains a mass fraction from 8 to 50 per cent of at least one isomer of the main component in addition to this main component. The copolymers are useful, for example, in coating compositions.Type: GrantFiled: October 3, 1995Date of Patent: March 18, 1997Assignee: Hoechst AktiengesellschaftInventors: Ulrich Epple, Holger Schmidt, Gerhard Brindoepke, Karl-Friedrich Doessel
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Patent number: 5595821Abstract: This invention relates to water dispersible polymeric films, to processes for the film preparation and materials for use in forming the water dispersible polymeric films.Type: GrantFiled: May 15, 1995Date of Patent: January 21, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Patrick J. Hager, Richard J. Goetz
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Patent number: 5563183Abstract: Hydrophilic contact lenses made using a crosslinking agent of the formulaA--X--(O--(C(O).sub.i --R--(C(O)).sub.i --O--X).sub.n --Awherein R contains one or more cyclic or bicyclic moiety, X is linear or branched alkyl or alkenyl, optionally substituted, and A is acrylate, methacrylate, vinylbenzoyloxy or vinylphenoxy, exhibit superior hydrophilicity, oxygen transmissivity, and physical properties.Type: GrantFiled: June 7, 1995Date of Patent: October 8, 1996Assignee: Johnson & Johnson Vision Products, Inc.Inventors: Ivan Nunez, Frank F. Molock, Laura Elliott
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Patent number: 5557007Abstract: Novel unsaturated polylactone acrylates are produced by the reaction of an unsaturated polylactone, such as that produced in the reaction of a lactone with tetrahydrobenzyl alcohol, and a lower-alkyl acrylate under transesterification conditions. The unsaturated polylactone acrylate product may be subsequently epoxidized to form novel 3,4-epoxy polylactone acrylates.Type: GrantFiled: September 28, 1990Date of Patent: September 17, 1996Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventor: James P. Stanley
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Patent number: 5549941Abstract: A melt calendered sheet and a process for making melt calendered sheet having excellent transparency and solvent craze resistance. Clear melt calendered sheet having a critical stress rating above 12,000 KPa, heat distortion temperature above 85.degree. C., and flexural modulus above 3,275 MPa is produced from acrylic copolymer having a melt flow rate of from about 0.3 to about 1.3 grams/10 minutes.Type: GrantFiled: August 1, 1994Date of Patent: August 27, 1996Assignee: Atohaas Bolding C.V.Inventors: Harold R. Banyay, Michael S. Cholod, Laurence M. Kolanko, Bonnie V. Smith
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Low yellow index polymer compositions, polymerizable compositions and lenses using said compositions
Patent number: 5545828Abstract: The present invention relates to new polymer compositions for use in the manufacture of opthalmic lenses which result from the copolymerization of a component (A) comprising at least 50% by weight of a monomer or mixture having formula ##STR1## wherein R.sub.1 and R.sub.2 are selected from H and C.sub.1 -C.sub.6 alkyl radical,X is --O--, --S--, --SO.sub.2, --CO--, --CH.sub.2 --, --CH.dbd.CH--, or C(CH.sub.3).sub.2,m and n are integers and m+n ranging from 0 to 10 and 0,5 to 15% by weight of a component (B) comprising a monomer having an ethylenic unsaturation which does not contribute to an aromatic system and having a free hydroxy group in position .alpha. of the unsaturation, as well as to their use in opthalmology and to apparatus using these lenses, such as eyepieces and film/video camera optics.Type: GrantFiled: January 18, 1995Date of Patent: August 13, 1996Assignee: Essilor International Compagnie Generale d'OptiqueInventors: Gabriel Keita, Joel Renaudineau -
Patent number: 5521265Abstract: Metallocenes of the formula ##STR1## where M is a metal selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta or an element selected from the group of the lanthanides, X.sub.1 and X.sub.2 are each an alkyl, alkoxy, aryl, aryloxy, alkenyl, arylalkyl, alkylaryl or arylalkenyl group, hydrogen or halogen and L.sub.1 and L.sub.2 are each a hydrocarbon which can form a sandwich structure with M, where at least L.sub.1 or L.sub.2 is substituted by or condensed with a ferrocene or ruthenocene radical. R.sub.1 is C, Si, Ge or Sn or the whole bridge A(R.sub.1).sub.n B is a biphenylene radical which is unsubstituted or substituted by A and/or B, A and B have the meanings of X.sub.1 and X.sub.2, n is an integer from 0 to 4.Type: GrantFiled: March 22, 1995Date of Patent: May 28, 1996Assignee: PCD Polymere Gesellschaft m.b.H.Inventors: Herwig Schottenberger, Michael Buchmeiser, Olaf Elsner, Eberhard Ernst, Jens Reussner, Wolfgang Neissl, Herbert Angleitner
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Patent number: 5518652Abstract: The invention relates to copolymers made from mono-reactive liquid and/or di-reactive liquid crystals which can be photopolymerized to form copolymers and to novel reactive liquid crystal compound having a nematic phase. Preferentially the reactive liquid crystal is polymerized while in the liquid crystal phase to produce an oriented birefringent polymer film. To do this, the reactive liquid crystal, in its nematic or smectic phase is aligned (by well known techniques such as rubbed polyimide, etc.) and the thin film containing a small amount of photoinitiator, is subjected to ultraviolet light whereupon it polymerizes into a thin, aligned polymer film.Type: GrantFiled: July 1, 1994Date of Patent: May 21, 1996Assignee: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Owain L. Parri, Ian Bonny, Ian V. E. Hassall, Mark J. Goulding, Simon Greenfield, Emma J. Brown, David Coates
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Patent number: 5514755Abstract: A hydroxyl functional acrylic addition polymer, useful in producing refinish compositions having a good balance of solids at a given viscosity and final film hardness, which comprises units derived from isobornyl methacrylate and units derived from 4-hydroxybutyl acrylate.Type: GrantFiled: March 30, 1995Date of Patent: May 7, 1996Assignee: Imperial Chemical Industries PLCInventors: David R. Fenn, Victoria L. Hughes
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Patent number: 5492944Abstract: A powdery bonding agent for paints which is soluble in pure aliphatic compounds, and which is in the form of powdery polymerizate particles, which consists of, at least on the particle surface, of a copolymerizate formed of: (i) 60 to 95 percent by weight of units of at least one hardening monomer selected from the group consisting of (A) isobutylmethacrylate and (B) cycloalkylmethacrylate; and (ii) 5 to 40 percent by weight of units of at least one aliphatic-substance-solubilizing monomer selected from the group consisting of (C) alkylmethacrylates having 6 to 18 carbon atoms in the alkyl residue, where the units of isobutylmethacrylate account for no more than 60 percent by weight and the units of cycloalkylmethacrylates account for no less than 10 percent by weight, based on, in each case, the weight of the copolymerizate.Type: GrantFiled: November 25, 1994Date of Patent: February 20, 1996Assignee: Roehm GmbH Chemische FabrikInventors: Wilhelm Elser, Karl J. Folsch, Peter Rossberg, Dieter Tessmer, Michael Wicke
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Low yellow index polymer compositions, polymerisable compositions and lenses using said compositions
Patent number: 5442022Abstract: A polymer composition obtained by polymerisation of a polymerisable composition comprising: at least 50% by weight of a monomer or mixture of monomers having formula I ##STR1## wherein R.sub.1 and R.sub.2, which may be identical or different, represent hydrogen or C.sub.1 -C.sub.6 alkyl, X represents ##STR2## and wherein m+n is between 0 and 10, 0 to 50% by weight of one or more mono- or polyfunctional vinyl, acrylic or methacrylic comonomers (II); 0.5 to 15% by weight with respect to the weight of components (I) and (II) of a compound having formula (III) ##STR3## where R.sub.3 and R.sub.4 represent hydrogen or one of radicals R.sub.3 and R.sub.4 represents a hydrogen atom while the other forms a ring with R.sub.7 ; R.sub.5, R.sub.6 and R.sub.7 are hydrogen or an alkyl group which may be substituted by OH and/or interrupted.Type: GrantFiled: December 21, 1993Date of Patent: August 15, 1995Assignee: Essilor International-Compagnie General D'OptiqueInventors: Gabriel Keita, Joel Renaudineau -
Patent number: 5422406Abstract: The organolanthanide hydrides (Cp'.sub.2 LnH).sub.2 (Cp'=.eta..sup.5 -Me.sub.5 C.sub.5 ;Ln=Sm,Lu) rapidly catalyze the copolymerization of methylenecyclopropane and ethylene to cleanly yield high molecular weight polyolefins of microstructure {[CH.sub.2 CH.sub.2 ].sub.x [CH.sub.2 CH.sub.2 C(CH.sub.2)].sub.y }n via sequential olefin insertion and ring-opening/.beta.-alkyl shift processes. Homopolymerization of methylenecyclopropane likewise cleanly yields polymers of the structure [CH.sub.2 CH.sub.2 C(CH.sub.2)].sub.n.Type: GrantFiled: February 1, 1994Date of Patent: June 6, 1995Assignee: Northwestern UniversityInventors: Xinmin Yang, Afif M. Seyam, Tobin J. Marks
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Patent number: 5391665Abstract: There are provided a process for obtaining a polymer having hydroxyl groups at both terminals easily and with cheap cost and excellent efficiency from a wide variety of vinyl-based compounds, a composition containing said polymer and its use, and a polymer derived from said composition and its use.The polymerization reaction of a vinyl-based monomer (b) is carried out by using a radical polymerization initiator (c) in the presence of a compound (a) represented by the general formula:HO--A--(S).sub.x --B--OH (I)and, a polymer having hydroxyl groups at both terminals is obtained under conditions that, in the above reaction, any compound other than (a), (b) and (c) is not practically used and the compound (a) always exists in 50 mole times or more of the initiator (c) in the course of reaction in a reactor; and either a composition containing this polymer or a polymer derived from this composition is used.Type: GrantFiled: April 2, 1993Date of Patent: February 21, 1995Assignee: Nippon Shokubai Co., Ltd.Inventors: Toshiaki Matsunaga, Kazuo Takei, Taketo Toba, Hiroyuki Ikeuchi, Fumihide Tamura
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Patent number: 5349019Abstract: New copolymers, mixtures thereof with poly(meth)acrylate esters and the use thereof for improving the cold fluidity of crude oils.Copolymers comprising as comonomers therein from 50 to 99.9% by weight of a C.sub.14 -C.sub.22 -alkyl(meth)acrylate and 50 to 0.1% by weight of a comonomer derived from a compound comprising a single polymerizable C.dbd.C group and these copolymers or their mixture with C.sub.14 -C.sub.22 -alkyl poly(meth)acrylates having enhanced pour point depressant properties.Type: GrantFiled: September 2, 1993Date of Patent: September 20, 1994Assignee: HoechstInventors: Herbert Wirtz, Sigmar-Peter von Halasz, Michael Feustel, Juliane Balzer
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Patent number: 5342860Abstract: This invention relates to alk-1-enyl ether-polyester block prepolymers which are curable by cationically initiated radiation and which are defined by the formula ##STR1## wherein m has a value of from 1 to 25;A is C.sub.2 to C.sub.12 alkylene, C.sub.6 to C.sub.14 aryl, both groups optionally substituted with lower alkyl, halo lower alkyl, alkyleneoxy, halogen or aryl;R.sub.1 is alkylene containing from 1 to 6 carbon atoms;R.sub.2 is a saturated or unsaturated divalent radical containing from 1 to 14 carbon atoms and is selected from the group of alkylene, alkenylene and arylene, each group optionally substituted with oxygen, halogen, lower alkyl and/or hydroxy;R.sub.3 is hydrogen or C.sub.1 to C.sub.6 alkyl;R.sub.4 is C.sub.1 to C.sub.6 alkylene, C.sub.6 to C.sub.14 arylene, lower alkyl substituted phenylene or xylylene andR.sub.5 and R.sub.6 are independently hydrogen or C.sub.1 to C.sub.4 alkyl.Type: GrantFiled: August 18, 1993Date of Patent: August 30, 1994Assignee: ISP Investments Inc.Inventors: Jeffrey S. Plotkin, Mark M. Miller
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Patent number: 5328947Abstract: A two-part adhesive consisting of a first liquid comprising 100 parts by weight of a polymerizable vinyl monomer and from 0.1 to 20 parts by weight of an organic peroxide and a second liquid comprising 100 parts by weight of a polymerizable vinyl monomer and from 0.05 to 15 parts by weight of a reducing agent, wherein either one or both of the first and second liquids contain from 0.4 to 5% by weight of water, and the content of water is more than 0.2% by weight based on the total amount of the first and second liquids.Type: GrantFiled: December 23, 1992Date of Patent: July 12, 1994Assignee: Denki Kagaku Kogyo Kabushiki KaishaInventors: Koichi Taguchi, Kinpei Iwata, Hideki Matsudo
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Patent number: 5326826Abstract: Radiation-sensitive polymers, a mixture containing these radiation-sensitive polymers as binder, and a process for the preparation of the radiation-sensitive polymer binders are disclosed. A positive radiation-sensitive recording material containing the radiation-sensitive polymer is also disclosed.Type: GrantFiled: February 26, 1992Date of Patent: July 5, 1994Assignee: Hoechst AktiengesellschaftInventors: Horst Roeschert, Hans-Joachim Merrem, Georg Pawlowski, Juergen Fuchs, Ralph Dammel
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Patent number: 5298533Abstract: Copolymers useful as a contact lens material are prepared from a mixture comprising:(a) an N,N-dialkyl(meth)acrylamide monomer; and(b) a monomer represented by the formula: ##STR1## wherein: R.sup.1 is methyl or hydrogen;R.sup.2 is --O-- or --NH--;R.sup.3 and R.sup.4 are independently a divalent radical selected from the group consisting of --CH.sub.2 --, --CHOH-- and --CHR.sup.6 --;R.sup.5 and R.sup.6 are independently a branched C.sub.3 -C.sub.8 alkyl group; andn is an integer of at least 1, and m and p are independently 0 or an integer of at least 1, provided that the sum of m, p and n is 2, 3, 4 or 5.Type: GrantFiled: December 2, 1992Date of Patent: March 29, 1994Assignee: Bausch & Lomb IncorporatedInventors: Mahendra P. Nandu, Jay F. Kunzler
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Patent number: 5270418Abstract: Branched cycloalkyl methacrylate monomers, such as t-butylhydroxycyclohexyl methacrylate, are polymerized with hydrophilic monomers and crosslinking agents to produce compositions for shaped biomedical devices, including soft contact lenses. Such copolymers have high oxygen permeability and good mechanical properties.Type: GrantFiled: January 29, 1993Date of Patent: December 14, 1993Assignee: Bausch & Lomb IncorporatedInventors: Jay F. Kunzler, Gary D. Friends
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Patent number: 5247035Abstract: At least 95% tetrahydrofuran soluble polymers are obtainable by copolymerization of a monomer mixture ofA) from 1 to 99% by weight of at least one at least 98% pure monomer of the general formula ICH.sub.2 .dbd.C(E)CH.sub.2 --O--CH.sub.2 C(E').dbd.CH.sub.2 Iwhere E and E' have been selected from the group consisting of --COOR.sup.1, --COR.sup.1, --CONR.sup.2 R.sup.3 and --CN and R.sup.1, R.sup.2 and R.sup.3 are each defined as follows:R.sup.1 =H, alkyl, cycloalkyl, cycloalkylalkyl, wherein the cycloalkyl rings may be alkyl- or alkoxy-monosubstituted, -disubstituted or -trisubstituted, hydroxyalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, aryl, arylalkyl, wherein the aryl groups may carry up to three of the following groups: halogen, alkyl, alkoxy, carboxyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, nitrilo, nitro, amino, alkylamino, dialkylamino;R.sup.2, R.sup.Type: GrantFiled: January 19, 1993Date of Patent: September 21, 1993Assignee: BASF AktiengesellschaftInventors: Siegmund Besecke, Andreas Deckers, Harald Lauke
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Patent number: 5242955Abstract: A composition comprising alicyclic polyether compounds represented by the formula (I): ##STR1## containing structural units A having an ether bond derived from an alicyclic epoxy group and one (meth)acrylic group, and n is an integer of from 1 to 100, R.sup.1 is a radical of an organic compound having L active hydrogens or HO--, from n1 to nL is an integer of from 1 to 100, respectively, the total is 1 to 100, L is an integer of from 1 to 100, which is the number of active hydrogen in said organic compound.Curable resin compositions can be prepared by the addition of a photo-polymerizable initiator.Type: GrantFiled: October 29, 1991Date of Patent: September 7, 1993Assignee: Daicel Chemical Industries, Ltd.Inventors: Yoshiyuki Harano, Sozo Namai
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Patent number: 5236969Abstract: Branched alkylhydroxycycloalkyl methacrylate monomers, such as t-butylhydroxycyclohexyl methacrylate, are polymerized with hydrophilic monomers and crosslinking agents to produce compositions for shaped biomedical devices, including soft contact lenses. Such copolymers have high oxygen permeability and good mechanical properties.Type: GrantFiled: June 15, 1992Date of Patent: August 17, 1993Assignee: Bausch & Lomb IncorporatedInventors: Jay F. Kunzler, Gary D. Friends
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Patent number: 5212043Abstract: A photoresist composition comprising:a resin soluble in an aqueous alkaline solution, having units of an aliphatic cyclic hydrocarbon main frame and units derived from maleic anhydride and/or units derived from a maleimide; anda photosensitive agent in a sufficient amount to promote or hinder the solubility of said resin in an aqueous alkaline solution upon exposure to active radiation so as to create a substantial difference in the solubility as between an exposed portion and a non-exposed portion and to form a positive or negative image by subsequent development with an aqueous alkaline solution.Type: GrantFiled: October 17, 1990Date of Patent: May 18, 1993Assignee: Tosho CorporationInventors: Takashi Yamamoto, Masaaki Todoko, Toru Seita, Kyoko Nagaoka, Kosaburo Matsumura
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Patent number: 5206321Abstract: Novel polycyanate compositions containing one or more mesogenic moieties as lateral substituents are disclosed which provide improved processability relative to polycyanates containing one or more mesogenic moieties in the main chain of the molecule. Molecular level ordering of the resulting thermosets is maintained much similar to that found thermosets of polycyanates which have one or more mesogenic moieties in the main chain.Type: GrantFiled: October 3, 1991Date of Patent: April 27, 1993Assignee: The Dow Chemical CompanyInventors: Robert E. Hefner, Jr., Jimmy D. Earls
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Patent number: 5206317Abstract: Excellent resolution and sensitivity in the patterning of resists utilized in device and mask manufacture is obtained with a specific composition. In particular this composition involves polymers having recurring pendant acid labile .alpha.-alkoxyalkyl carboxylic acid ester moieties in the presence of an acid generator activated by actinic radiation such as UV-visible, deep ultraviolet, e-beam and x-ray radiation.Type: GrantFiled: April 10, 1990Date of Patent: April 27, 1993Assignees: E. I. du Pont de Nemours and Company, American Telephone and Telegraph CompanyInventors: Walter R. Hertler, Dotsevi Y. Sogah, Gary N. Taylor
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Patent number: 5204178Abstract: Novel (meth)acrylate copolymers which contain, as polymerized units,A) one or more (meth)acrylates and/or (meth)acrylamides having second order nonlinear optical properties and of the general formula I ##STR1## where R is hydrogen or methyl, X is a flexible spacer, which may or may not be present, Y is a divalent group having electron donor activity and Z is a noncentrosymmetric radical containing an easily polarizable conjugated .pi.-electron system and one or more electron acceptor groups, andB) one or more (meth)acrylates of alkanols where the alkyl radical is of 10 to 30 carbon atomsin a molar ratio of (A) to (B) of from 1:0.5 to 1:5 are very suitable as nonlinear optical materials for nonlinear optical arrangements and for the production of Langmuir-Blodgett films.Type: GrantFiled: November 12, 1991Date of Patent: April 20, 1993Assignee: BASF AktiengesellschaftInventors: Ulrike Licht, Harald Fuchs, Dirk Funhoff, Wolfgang Schrepp, Hans Schupp
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Patent number: 5189102Abstract: A method for producing a vinyl resin comprising the steps of dissolving or dispersing a polymerizable vinyl monomer in a polymerization solvent containing a silicone oil, and polymerizing the polymerizable vinyl monomer in the presence of a polymerization catalyst.Type: GrantFiled: March 4, 1992Date of Patent: February 23, 1993Assignee: Ricoh Company, Ltd.Inventors: Kazuo Tsubuko, Shinichi Kuramoto, Kazuhiko Umemura, Hidemi Uematsu, Okawara, Makoto
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Patent number: 5187248Abstract: Novel laser-optical recording elements which can be repeatedly erased and recorded on contain recording layers (a) which exhibit enantiotropic, ferroelectric smectic liquid crystalline (S.sub.c*) behavior, so that they can be switched back and forth between two thermodynamically stable, optically distinguishable ferroelectric smectic liquid crystalline S.sub.C* order states on exposure to a laser beam of sufficient luminous power, by applying an external electric field. The recording layers (a) themselves consist mainly or exclusively of novel polymers P having chiral mesogenic side groups.Type: GrantFiled: December 30, 1991Date of Patent: February 16, 1993Assignee: BASF AktiengesellschaftInventors: Karl-Heinz Etzbach, Gerhard Wagenblast, Wolfgang Brox, Axel Paul, Volker Bach
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Patent number: 5149754Abstract: The present invention relates to non-halogenated hydrocarbon polymeric compositions which impart durable stain resistance to fibrous substrates, particularly nylon containing articles. In addition, it relates to fluorine containing polymeric compositions which impart durable stain resistance to fibrous substrates as above. It relates also to processes in which such substrates are treated so as to impart durable stain resistance to them. It relates further to a manufacturing process for preparing the compositions of the invention.Type: GrantFiled: March 18, 1991Date of Patent: September 22, 1992Assignee: Allied-Signal IncInventors: George D. Green, Stephen A. Munk, Darryl K. Barnes
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Patent number: 5128418Abstract: The monomer cis-5,6-bis(trimethylsiloxy)-1,3-cyclohexadiene can be polymerized with certain catalysts, such as bis(allyltrifluoroacetato nickel (II) and bis(allylpentafluorophenoxy nickel II). The resulting polymer is a precursor to poly(para-phenylene). Other substituted cyclohexadienes may also be polymerized by these catalysts to form useful polymers.Type: GrantFiled: January 29, 1991Date of Patent: July 7, 1992Assignee: California Institute of TechnologyInventors: Robert H. Grubbs, Douglas L. Gin, Vincent P. Conticello, Philip D. Hampton, David R. Wheeler
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Patent number: 5106885Abstract: What is provided herein are radiation curable compositions containing(a) multifunctional vinyl ether monomers having the formula:X--R.sub.1 --Y.sub.1 --R.sub.2 --Y.sub.2).sub.n CH.dbd.CH.sub.2 ].sub.mwhereX is a 5-8 membered ring, saturated or unsaturated;R.sub.1 is a direct bond or C.sub.1 -C.sub.10 straight or branched chain alkylene;Y.sub.1 and Y.sub.2 are independently oxygen or sulfur;R.sub.2 is C.sub.2 -C.sub.10 straight or branched chain alkylene;n is 0-10; andm is 3-5;(b) a cationic initiator, and, optionally,(c) a polymerizable vinyl ether, epoxide, or acrylate oligomer.Type: GrantFiled: November 3, 1989Date of Patent: April 21, 1992Assignee: ISP Investments Inc.Inventors: Kou-Chang Liu, Fulvio J. Vara, James A. Dougherty
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Patent number: 5098479Abstract: The invention is a hydrocarbon soluble thickener for zinc-containing metal resinate inks comprising the reaction product of:(a) up to 99% by weight of an alkyl or cycloalkyl ester of acrylic or methacrylic acid;(b) up to 98% by weight of styrene;(c) 1 to 40% by weight of an amine-containing monomer;(d) up to 20% by weight of a carboxyl-containing monomer; and(e) a catalytic amount of a free-radical polymerization initiator.Type: GrantFiled: August 24, 1990Date of Patent: March 24, 1992Assignee: Westvaco CorporationInventor: G. Frederick Hutter
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Patent number: 5043405Abstract: The methacrylic copolymer of the present invention is a novel copolymer having low moisture absorption properties which comprises specific proportions of methyl methacrylate units and tert-butylcyclohexyl methacrylate units, optionally with specific ethylenically unsaturated compound units copolymerizable with the above-mentioned monomer units. The copolymer of the present invention is excellent not only in colorlessness, transparency, moldability, low double refraction and heat stability but also in low moisture absorption properties and heat resistance and, therefore, is suitable for use as a material for shaped articles, such as an optical element substrate and a light transmissible extruded plate, and can particularly advantageously be used for applications, such as an optical disc substrate.Type: GrantFiled: July 2, 1990Date of Patent: August 27, 1991Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Toshinori Koseki, Kimio Imaizumi
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Patent number: 5026805Abstract: Optical materials having well balanced properties such as high heat resistance, low hygroscopicity and low double refractivity. The optical materials are derived from a low hygroscopic, random copolymer comprising units of methacrylic acid and ester derivatives, and units of a six-membered ring acid anhydride.Type: GrantFiled: December 1, 1989Date of Patent: June 25, 1991Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Kazuhiro Hosoya, Ikuji Ohtani, Kimio Imaizumi
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Patent number: 5006622Abstract: Branched alkylhydroxycycloalkyl methacrylate monomers, such as t-butylhydroxycyclohexyl methacrylate, are polymerized with hydrophilic monomers and crosslinking agents to produce compositions for shaped biomedical devices, including soft contact lenses. Such copolymers have high oxygen permeability and good mechanical properties.Type: GrantFiled: April 2, 1987Date of Patent: April 9, 1991Assignee: Bausch & Lomb IncorporatedInventors: Jay F. Kunzler, Gary D. Friends
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Patent number: 4992518Abstract: The present invention relates to amides of formula I ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each independently hydrogen or methyl, m is 1 to 5 and n is 1 to 5 and R.sup.4 is --NH.sub.2 or is derived from a mono- to pentavalent amine.Intermediates of formula VIII ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and m are as defined above and X is a carboxylic acid or acid ester group, --COCl, --COBr, --CHO or --CN, are also described.The compounds of formula I can be polymerized thermally. They are suitable for the preparation of adhesives, matrix resins or electrical insulating materials.Type: GrantFiled: May 15, 1987Date of Patent: February 12, 1991Assignee: Ciba-Geigy CorporationInventors: Andreas Kramer, Roland Darms
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Patent number: 4925906Abstract: The present invention relates to non-halogenated hydrocarbon polymeric compositions which impart durable stain resistance to fibrous substrates, particularly nylon containing articles. In addition, it relates to fluorine containing polymeric compositions which impart durable stain resistance to fibrous substrates as above. It relates also to processes in which such substrates are treated so as to impart durable stain resistance to them. It relates further to a manufacturing process for preparing the compositions of the invention.Type: GrantFiled: January 3, 1989Date of Patent: May 15, 1990Assignee: Allied-Signal Inc.Inventors: George D. Green, Stephen A. Munk, Darryl K. Barnes
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Patent number: 4891414Abstract: Polymers comprising units of norbornene diol vinylene are prepared by hydrolysis of precursor polymer comprising units of norbornene diol ester vinylene or norbornene dioxocarbonyl vinylene in the presence of an alkaline agent.Type: GrantFiled: January 24, 1989Date of Patent: January 2, 1990Assignee: Monsanto CompanyInventor: Jawed Asrar
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Patent number: 4891413Abstract: Polymers comprising units of diesters of cyclopentane diol vinylene prepared by metathesis ring opening polymerization of diesters of norbornene diol exhibiting a glass transition temperature of at least 100.degree. C. are useful as engineering thermoplastics.Type: GrantFiled: January 27, 1989Date of Patent: January 2, 1990Assignee: Monsanto CompanyInventor: Jawed Asrar
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Patent number: 4883899Abstract: An end carboxyl bearing reactive vinyl monomer represented by the formula: ##STR1## wherein R.sub.1 is hydrogen or methyl group; R.sub.2 is a bivalent aliphatic hydrocarbon having 2 to 10 carbon atoms, a bivalent alicyclic hydrocarbon having 6 to 7 carbon atoms, phenylene substituted with halogen, sulfo or carboxyl group; A is a repeating unit of the formula: ##STR2## R.sub.3 is ethylene or propylene; R.sub.4 is an alkylene having 2 to 7 carbon atoms; R.sub.5 is an alkylene having 2 to 5 carbon atoms; m is an integer of 1 to 10 and n is an integer of 2 to 50. The present reactive vinyl monomer is very useful as a constituting unit of vinyl resin.Type: GrantFiled: April 28, 1989Date of Patent: November 28, 1989Assignee: Nippon Paint Co., Ltd.Inventors: Hisaichi Muramoto, Keizou Ishii, Tadafumi Miyazono
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Patent number: 4855374Abstract: According to the invention, there are provided an optical resin and a process for preparing such a resin. The optical resin is obtained by polymerizing a feed monomer comprising at least a diester of dicarboxylic acid represented by the general formula (1) of: ##STR1## wherein R.sub.1 and R.sub.2 each represent the same or different groups and stand for an alkyl or alkenyl group having 1 to 12 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms or an ester residue having at least one aromatic ring.Type: GrantFiled: June 22, 1988Date of Patent: August 8, 1989Assignee: Nippon Oil and Fats Co., Ltd.Inventors: Yoshishige Murata, Yasumi Koinuma, Naoyuki Amaya, Takayuki Otsu, Masafumi Nisimura