From Carboxylic Acid Amide-containing Monomer Patents (Class 526/303.1)
  • Patent number: 6444770
    Abstract: A copolymer of acrylamide or of an acrylamide derivative and of trialkylammonium salts which is a radical polymerization product, in the presence of an initiator, of at least a first monomer chosen from acrylamide and its derivatives of formula H2C═CH—(CH2)n″—CONH2  in which n″ is an integer which can vary from 1 to 5, and of a second monomer chosen from trialkylammonium salts corresponding to the following formula (I) (H2C═C(R1)—(CH2)n—A—(CH2)n′—N+(R2)(R3)(R4))X−  (I)  in which, R1 represents H or an alkyl group having from 1 to 3 carbon atoms, R2, R3 and R4, which are identical or different, each represents an alkyl group having from 1 to 3 carbon atoms, n and n′ each represents, independently of one another, a non-zero integer at most equal to 15, A represents a divalent carboxyl or amide functional group, and X− represents a counterion.
    Type: Grant
    Filed: August 14, 2000
    Date of Patent: September 3, 2002
    Assignee: Atofina
    Inventors: Isabelle Descheres, Gilbert Boulon
  • Patent number: 6441114
    Abstract: Adhesives useful in applying articles, such as tapes, labels, signs, decals, emblems, car moldings, protective or optical films, etc., to surfaces to which articles normally do not adhere well, such as surfaces containing fluorine and polycarbonate, for example. The adhesives include a copolymer of one or more monoethylenically unsaturated alkyl (meth)acrylate monomers, one or more monoethylenically unsaturated secondary or tertiary amide-functional monomers, and optionally one or more acidic monomers.
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: August 27, 2002
    Assignee: 3M Innovative Properties Company
    Inventors: Richard L. Peloquin, Albert I. Everaerts, Ellen O. Aeling
  • Publication number: 20020115808
    Abstract: Adhesives useful in applying articles, such as tapes, labels, signs, decals, emblems, car moldings, protective or optical films, etc., to surfaces to which articles normally do not adhere well, such as surfaces containing fluorine and polycarbonate, for example. The adhesives include a copolymer of one or more monoethylenically unsaturated alkyl (meth)acrylate monomers, one or more monoethylenically unsaturated secondary or tertiary amide-functional monomers, and optionally one or more acidic monomers.
    Type: Application
    Filed: June 11, 1999
    Publication date: August 22, 2002
    Inventors: RICHARD L. PELOQUIN, ALBERT I. EVERAERTS, ELLEN O. AELING
  • Patent number: 6437067
    Abstract: Provided are porphyrin-nucleus introduced polymers obtained by radical copolymerization of a radically polymerizable monomer with a porphyrin compound represented by formula (1) or (2): where R represents a hydrogen atom or a C1-6 alkyl group. Also provided are a trace metal measuring reagent and a trace metal removing agent, each containing the porphyrin-nucleus introduced polymer. The porphyrin-nucleus introduced polymer can be obtained as a compound having desired properties or reactivity by making use of easily available porphyrin compounds. The polymer is useful as a reagent for measuring or an agent for removing heavy metals.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: August 20, 2002
    Assignee: Kowa Co., Ltd.
    Inventors: Takaharu Asano, Hiroshi Nakao
  • Patent number: 6423804
    Abstract: The present invention is directed to ion-sensitive, hard water dispersible polymers. The present invention is also directed to a method of making ion-sensitive, hard water dispersible polymers and their applicability as binder compositions. The present invention is further directed to fiber-containing fabrics and webs comprising ion-sensitive, hard water dispersible binder compositions and their applicability in water dispersible personal care products.
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: July 23, 2002
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Yihua Chang, Pavneet S. Mumick, Frederick J. Lang
  • Patent number: 6420487
    Abstract: The present invention relates to a process for the preparation, of thermoprecipitating affinity polymers useful in the enhanced recovery of enzymes. The process comprises polymerising a monomer comprising a spacer and a co-monomer with a polymerisation initiator and a polymerisation accelerator at ambient temperature and pressure for a period ranging between 2 to 24 hours to obtain a polymer and then linking an inhibitor to pendant carboxyl groups of the spacers in the polymer to obtain an affinity polymer.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: July 16, 2002
    Assignee: Council of Scientific and Industrial Research
    Inventors: Alankar Arun Vaidya, Bhalchandra Shripad Lele, Mohan Gopalkrishna Kulkarni, Raghunath Anant Mashelkar
  • Patent number: 6420502
    Abstract: A new class of “living” free radical initiators that are based on alkylperoxydiarylborane and its derivatives and that may be represented by the general formula. R—[O—O—B-&phgr;1(-&phgr;2)]n wherein n is from 1 to 4, R is a hydrogen or a linear, branched or cyclic alkyl radical having a molecular weight from 1 to about 500, and &phgr;1 and &phgr;2, independently, are selected from aryl radicals, based on phenyl or substituted phenyl groups, with the proviso that &phgr;1 and &phgr;2 can be the chemically bridged to each other with a linking group or with a direct chemical bond between the two aryl groups to form a cyclic ring structure that includes a boron atom are disclosed.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: July 16, 2002
    Assignee: The Penn State Research Foundation
    Inventor: Tze-Chiang Chung
  • Publication number: 20020091211
    Abstract: A new class of “living” free radical initiators that are based on alkylperoxydiarylborane and its derivatives and that may be represented by the general formula.
    Type: Application
    Filed: June 25, 2001
    Publication date: July 11, 2002
    Inventor: Tze-Chiang Chung
  • Publication number: 20020082372
    Abstract: Covalently-bound, hydrophilic copolymer coatings for implants are disclosed. The copolymer coatings comprise 2-phenylethyl (meth)acrylate, a hydrophilic monomer selected from the group consisting of hydroxyalkyl (meth)acrylates and acrylamides, and a reactive plasticizer.
    Type: Application
    Filed: December 20, 2001
    Publication date: June 27, 2002
    Inventor: Albert R. Leboeuf
  • Patent number: 6410672
    Abstract: The invention provides ion exchange and electrochemical methods and devices employing anion exchange polymers produced by substantially simultaneous quaternization and polymerization reactions. Anion selective polymers are produced in accordance with the invention by combining, an ethylenic tertiary amine monomer, an alkylating agent having a boiling point temperature of at least about 100° C., and a cross-linking agent in the presence of a polymerizing agent for a time and at a temperature sufficient to form the polymer. The alkylating agent and the cross-linking agent may be the same compound, a cross-linking alkylating agent. The polymers may be produced in the presence of solvents and/or in the presence of diluting monomers which are incorporated into the polymers.
    Type: Grant
    Filed: July 28, 1999
    Date of Patent: June 25, 2002
    Assignee: Ionics, Incorporated
    Inventors: Russell J. MacDonald, James A. Lech
  • Patent number: 6410666
    Abstract: The invention discloses a method for preparing a tri block copolymer of the formula: comprising: (a) contacting a cycloalkene with a chain transfer agent of the formula: Z—Y═Y—Z  in the presence of a metal carbene metathesis catalyst to form a telechelic polymer; and (d) contacting the telechelic polymer with an alkene of the formula  in the presence of an ATRP organometallic catalyst wherein n and m are integers; Z is an ATRP initiator and —Y═Y— is an alkenyl group; and, R′ is selected from the group consisting of aryl, nitrile and C1-C20 carboxylate, wherein R′ is substituted or unsubstituted. The invention also discloses a method for preparing a diblock copolymer. In addition, the invention encompasses a triblock copolymer having no 1,2-PBD structure in the PBD portion of the copolymer.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: June 25, 2002
    Assignee: California Institute of Technology
    Inventors: Robert H. Grubbs, Christopher W. Bielawski
  • Patent number: 6410671
    Abstract: The present invention relates to more or less substituted acrylamide or acrylate and zwitterion monomer hydrosoluble copolymers.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: June 25, 2002
    Assignee: Institute Francais du Petrole
    Inventors: Jean-François Argillier, Annie Audibert-Hayet, Pierre Le Perchec, Pierre Louis Carrette
  • Publication number: 20020068802
    Abstract: Novel perfluoroalkyl-substituted mono-, di- and poly-amide compounds which are reaction products of a mono-, di- or polyamine of 60 to 2000 molecular weight with a perfluoroalkyl substituted unsaturated acid or its corresponding lower alkyl ester and optionally a non-fluorinated amino-reactive compound such as an acid, ester, anhydride, epichlorohydrin, isocyanate or urea, are useful as internally or externally applied paper sizes to impart oil and grease resistance to paper, and as oil proofing coatings on textiles, wood, masonry and the like, or as high-performance surface active agents.
    Type: Application
    Filed: October 15, 2001
    Publication date: June 6, 2002
    Inventors: Karl F. Mueller, Michael Bochnik, Marlon Haniff, John Jennings, Shobha Kantamneni
  • Publication number: 20020064558
    Abstract: A copolymer comprising a monomer of formula (1) below and a monomer having a basic functional group copolymerizable with the monomer as monomer components, wherein molar ratio of the monomer of formula (1) to the monomer having a basic functional group is 85/15 to 99.9/0.1 and wherein the copolymer has a number based mean molecular weight of 5,000 to 500,000. The copolymer is excellent in antithrombotic activity and further in biocompatibility and can be used as a medial material having high hydrophilicity. It also can serve as an antithrombotic surface treating agent.
    Type: Application
    Filed: September 26, 2001
    Publication date: May 30, 2002
    Inventors: Masaru Tanaka, Shoji Ochiai, Norifumi Tokunaga, Yukiko Irie
  • Patent number: 6395853
    Abstract: The invention relates to copolymers comprising a) 5-95% by weight of structural units which are derived from compounds of the formula 1 b) from 1 to 95% by weight of structural units which are derived from compounds of the formula 2  and c1) from 1 to 95% by weight of structural units which are derived from compounds of the formula 3  or, alternatively, to c1), c2) from 1 to 95% by weight of structural units which are derived from compounds of the formula 4  n which X is a cation. The copolymers according to the invention are suitable as a fluid loss additive for water-based drilling muds and for cement slurries in deep wells, for completion and clearing-out liquids and for water shut-off in production probes.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: May 28, 2002
    Assignee: Clariant GmbH
    Inventors: Reinhard J. Oswald, Roman Morschhäuser, Karl Heinz Heier, Aranka Tardi, Juergen Tonhauser, Christoph Kayser, Dan Patterson
  • Publication number: 20020061996
    Abstract: The present invention relates to polymers of the general formula I: 1
    Type: Application
    Filed: July 27, 2001
    Publication date: May 23, 2002
    Inventors: Richard Buchecker, Guy Marck, Andreas Schuster, Hubert Seiberle
  • Publication number: 20020061955
    Abstract: This invention discloses an emulsion styrene-butadiene rubber (SBR) that can be employed in manufacturing tire tread formulations that have rolling resistance and treadwear characteristics that are similar to those made with solution SBR but with improved traction characteristics. Thus, the emulsion SBR of this invention is superior in many respects for use in tire tread compounds to conventional solution SBR and conventional emulsion SBR. This invention more specifically discloses a styrene-butadiene rubber composition which is comprised of repeat units which are derived from styrene, 1,3-butadiene, and a hydroxy alkyl acrylate monomer, wherein the styrene-butadiene rubber composition has a number average molecular weight as determined by field flow fractionation which is within the range of about 50,000 to 150,000, and wherein the styrene-butadiene rubber has a light scattering to refractive index ratio which is within the range of 1.8 to 3.9.
    Type: Application
    Filed: July 25, 2001
    Publication date: May 23, 2002
    Inventors: Howard Allen Colvin, Michael Leslie Senyek
  • Patent number: 6388037
    Abstract: Allylated amide compounds are formulated into curable compositions with a free radical curing agent, and optionally, one or more fillers, for use as adhesives in the manufacture of microelectronic devices.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: May 14, 2002
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Rose Ann Schultz, Donald E. Herr, Chaodong Xiao
  • Publication number: 20020055599
    Abstract: The present invention is directed, in part, to improved polymer compositions and processes for preparing same. Specifically, in one embodiment, there is provided a process for preparing a polymer, wherein the process comprises: providing a reaction mixture comprising a portion of at least one polar monomer and at least one multivalent cation; adding the remaining portion of the polar monomer to the reaction mixture; and polymerizing the monomer to form the polymer. In certain embodiments, the reaction mixture in the providing step comprises at least two molar equivalents or greater of the total amount of polar monomer with respect to one molar equivalent of multivalent cation.
    Type: Application
    Filed: September 17, 2001
    Publication date: May 9, 2002
    Inventor: Robert Victor Slone
  • Publication number: 20020052459
    Abstract: Applicants herewith submit an Abstract on a separate sheet of paper numbered Page 28.
    Type: Application
    Filed: August 27, 2001
    Publication date: May 2, 2002
    Applicant: Wacker-Chemie GmbH
    Inventors: Klaus Kohlhammer, Gerhard Koegler, Monika Rockinger, Walter Dobler
  • Publication number: 20020049290
    Abstract: Optically transparent, high refractive index hydrogels and intraocular lenses fabricated therefrom. The preferred hydrogels have a refractive index of 1.45 or above and a water content of approximately 5 to 30 percent by weight.
    Type: Application
    Filed: October 10, 2001
    Publication date: April 25, 2002
    Inventor: David P. Vanderbilt
  • Publication number: 20020049147
    Abstract: The present invention provides: a novel water-soluble copolymer which is still more excellent in performance for uses, such as detergent builders, pigment dispersants, and scale inhibitors. In addition, the present invention provides: a novel liquid detergent builder which has extremely excellent compatibility, high transparency when a liquid detergent composition comprises it, and very excellent detergency; and a novel liquid detergent composition comprising the liquid detergent builder.
    Type: Application
    Filed: August 16, 2001
    Publication date: April 25, 2002
    Inventors: Takuya Saeki, Junichi Nakamura, Yoshikazu Fujii, Masahito Takagi, Shigeru Yamaguchi
  • Patent number: 6376626
    Abstract: A free-radical polymerization process for making macromonomers having the structure: comprising contacting: (a) CH2═CHY; (b) optionally, CH2═CXB; and (c) free-radicals, produced from a free-radical source; in which B, U, X, Y, Z, m, n and p are defined in the text; macromonomer quality being controlled by adjusting one or more of the following variables: molar ratios of a, b and c; temperature; monomer concentration; and conversion.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: April 23, 2002
    Assignee: Commonwealth Scientific and Industrial Research Organization
    Inventors: John Chiefari, Graeme Moad, Ezio Rizzardo, Alexei A. Gridnev
  • Publication number: 20020042483
    Abstract: Optically transparent, high refractive index hydrogels and intraocular lenses fabricated therefrom. The preferred hydrogels have a refractive index of 1.45 or above and a water content of approximately 5 to 30 percent by weight.
    Type: Application
    Filed: October 10, 2001
    Publication date: April 11, 2002
    Inventor: David P. Vanderbilt
  • Publication number: 20020042484
    Abstract: Optically transparent, high refractive index hydrogels and intraocular lenses fabricated therefrom. The preferred hydrogels have a refractive index of 1.45 or above and a water content of approximately 5 to 30 percent by weight.
    Type: Application
    Filed: October 10, 2001
    Publication date: April 11, 2002
    Inventor: David P. Vanderbilt
  • Patent number: 6369180
    Abstract: A process of making a homopolymer of vinyl caprolactam (VCL), and a copolymer with dimethylaminopropyl methacrylamide (DMAPMA), optionally including with one or more polymerizable monomers (X), in the composition range, by weight, VCL 99 to 30%, DMAPMA 1-70% and monomer X 0-30%, respectively, by suspension polymerization in an aqueous/alcoholic solvent medium, without requiring a protective colloid, which comprises charging vinyl caprolactam in an aqueous/alcoholic solvent mixture, wherein the weight ratio of alcohol to total monomers is ⅙ to 3, and if present, forming a solution of DMAPMA and optional monomers in water, feeding the solution into the VCL charge at a predetermined rate, periodically adding initiator to the reaction mixture, and polymerizing at about 40° to 130° C., and, if desired, neutralizing the product, to form a polymer product at about 5% to 40% solids, homogeneously dispersed in the solvent.
    Type: Grant
    Filed: August 18, 2000
    Date of Patent: April 9, 2002
    Assignee: ISP Investments Inc.
    Inventors: Jenn S. Shih, Donald I. Prettypaul, John Mc Kittrick, David E. Graham
  • Publication number: 20020037984
    Abstract: Optically transparent, high refractive index hydrogels and intraocular lenses fabricated therefrom. The preferred hydrogels have a refractive index of 1.45 or above and a water content of approximately 5 to 30 percent by weight.
    Type: Application
    Filed: October 10, 2001
    Publication date: March 28, 2002
    Inventor: David P. Vanderbilt
  • Patent number: 6359093
    Abstract: An amphipathic compound represented by any of the following Formulas: (R1 is a linear or branched, saturated hydrocarbon group having 6 to 48 carbon atoms, or a linear or branched, unsaturated hydrocarbon group containing 1 to 12 unsaturated double bond and having 6 to 48 carbon atoms; Y is NH, N—(CH2—CH═CH2), or O; Q is —CH2—C(R2)═CH2 or —R4—O—CO—C(R2)═CH2; and M is alkali metal, an ammonium group, or —(CH2CH2O)mH), a copolymer of the amphipatic compound with a copolymerizable ethylenically unsaturated compound and, a paper making additive containing a water soluble or dispersible high molecular compound as an active ingredient and processes for producing these high molecular compounds.
    Type: Grant
    Filed: February 16, 2000
    Date of Patent: March 19, 2002
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Toshihiko Takaki, Masaru Tanabe, Shoko Oyanagi
  • Patent number: 6350840
    Abstract: Underfill encapsulants are prepared from allylated amide compounds and a curing initiator.
    Type: Grant
    Filed: June 18, 1999
    Date of Patent: February 26, 2002
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Rose Ann Schultz, Donald Herr, Chaodong Xiao
  • Publication number: 20020022705
    Abstract: Disclosed is a method of preparing a stable composition of radically copolymerizable monomers, said composition containing firstly at least one monomer which has at least one urea function in its formula and secondly at least one monomer which does not have an isocyanate function in its formula, said method comprising preparing said monomer(s) having urea function(s) by reaction of two types of reagent: at least one radically copolymerizable monomer which has at least one isocyanate function in its formula with at least one amine selected from primary and secondary amines, and incorporating said monomer(s) which does(do) not have an isocyanate function in its(their) formula, prior to said reaction, together with one of said reagents, before adding the other of said reagents, and/or during the addition of said reagents, and/or after said reaction.
    Type: Application
    Filed: May 31, 2001
    Publication date: February 21, 2002
    Inventors: Marie-Maud Bear, Xavier Lafosse
  • Publication number: 20020019506
    Abstract: The present invention relates to an oligomer with a semi-telechelic nitrogen-functionality and at least one ethylenic unsaturation pendant to the backbone of the oligomer. In addition, a process is provided to prepare the semi-telechelic nitrogen-functional oligomer. The semi-telechelic nitrogen-functional oligomer is useful as a dispersant for pigments in radiation curable formulations.
    Type: Application
    Filed: June 21, 2001
    Publication date: February 14, 2002
    Inventors: Ronald Scott Beckley, Barry Clifford Lange, David William Whitman, Jo Ann Arceneaux, Michael Christopher Kramer, Peter Thomas Weissman
  • Publication number: 20020015690
    Abstract: Improved molecularly imprinted polymers (MIPs) with both higher and more specific binding capacity for particular bile acids and/or salts, including the synthesis of such MIPs, the compounds themselves, and specific applications thereof. As an example of a particularly preferred specific application of these compounds, the present invention encompasses the use of the MIPs as sequestrants in the gastrointestinal tract, particularly in order to bind and therefore remove toxins from the gastrointestinal tract. In addition, the present invention is also useful for treatment of various diseases which are related to, and/or characterized by, an effect of bile acids and salts, such as atherosclerosis, liver disease and various diseases of the gastrointestinal tract. The MIP compounds of the present invention are also useful for combination therapy with other medications and for diagnosis and monitoring of diseases.
    Type: Application
    Filed: June 29, 2001
    Publication date: February 7, 2002
    Inventors: Bernard S. Green, Morris Priwler
  • Publication number: 20020010261
    Abstract: The polymer matrix material includes a polymerization product of one or more monomers selected from the group of water-soluble, ethylenically-unsaturated acids and acid derivatives, and a crosslinking agent. A quantity of water is used for polymerization, such that the polymer material is swelled to a defined volume upon curing. Optionally, a water-soluble or water-swellable polymer and/or a chemical polymerization initiator.
    Type: Application
    Filed: August 30, 2001
    Publication date: January 24, 2002
    Inventors: Robert W. Callahan, Mark G. Stevens, Muguo Chen
  • Publication number: 20020004571
    Abstract: Synthetic polymers having moieties capable of covalent or hydrogen bonding to cellulose and one or more amphiphilic moieties are disclosed. These polymers are capable of providing two distinct properties to paper products, such as tissues, which properties heretofore have been imparted through the use of at least two different molecules. The backbone of these synthetic polymers is based on modified vinyl polymers, such as polyvinyl alcohol, polyacrylamides and polyacrylic acids.
    Type: Application
    Filed: May 14, 2001
    Publication date: January 10, 2002
    Inventors: Wen Zyo Schroeder, Daniel Arthur Clarahan, Mike Thomas Goulet, Thomas Gerard Shannon
  • Publication number: 20020001845
    Abstract: Sensors for determining the presence and concentration of bio-molecules in a biological sample are provided in the form of polymer brushes, which comprise a substrate having a surface that is modified with a water-dispersible or water-soluble polymer segment having functional groups that bind probes. The method of synthesis of such sensors preferably includes use of controlled free radical polymerization techniques, and in particular the use of an iniferter initiator, which allows for controlled architecture polymers to modify the surface of the substrate. In this manner functional groups in the polymer chain are removed from the surface, which allows for solution chemistry to be more realistically reproduced with the benefits of a solid bound probe.
    Type: Application
    Filed: July 24, 2001
    Publication date: January 3, 2002
    Inventors: Gerrit Klaerner, Ralph B. Nielsen, Paul Mansky, Didier Benoit, Dominique Charmot, Bernd Jandeleit, Laura T. Mazzola
  • Patent number: 6335406
    Abstract: A method for the production of (D) an absorbent resin excelling in durability, which method comprises polymerizing (A) 30% by weight to saturated concentration of (A) an aqueous water-soluble ethylenically unsaturated monomer solution containing (B) 0.005 to 5 mol % of a cross-linking agent and (C) 0.001 to 1 mol % of a water-soluble chain transfer agent, both based on the amount of said monomer (A), and if necessary, the surface region of the resultant absorbent resin (D) is cross-linked with (E) a hydrophilic cross-linking agent capable of reacting with the functional group of the absorbent resin and an absorbent resin obtained by such method.
    Type: Grant
    Filed: March 1, 1993
    Date of Patent: January 1, 2002
    Assignee: Nippon Shokubai Kagaku Kogyo Co., Ltd.
    Inventors: Kinya Nagasuna, Kenji Kadonaga, Kazumasa Kimura, Tadao Shimomura
  • Patent number: 6331602
    Abstract: This invention relates to a monomer shown by the general formula [1] (wherein X′ is a cyclic hydrocarbon residue containing polymerizable double bond(s), which may have a substituent, Z is a spacer or a direct bond and R is a substituted alkyl or alkenyl group having one or two protected hydroxyl groups as substituent) and a polymer containing a segment derived from the above monomer. The said polymer is useful for a resist composition, etc. utilized in the production of semiconductor elements, etc. and the said monomer is useful as a starting material for the polymer, and a resist composition using the said polymer can remarkably advantageously be used as a resist material for ArF excimer laser beams which has been considered to be a valuable technology for exposure belonging to the coming generation.
    Type: Grant
    Filed: September 6, 2000
    Date of Patent: December 18, 2001
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventor: Motoshige Sumino
  • Patent number: 6316568
    Abstract: A water-soluble, crosslinkable protective colloid is provided having a weight-average molecular weight of least than 500,000 comprising: a) 20 to 95% by weight of monomer units containing sulphonic acid or sulphonate groups, b) 4 to 80% by weight of monomer units containing N-methylol or N-alkoxymethyl groups, and c) 0.1 to 20% by weight of hydrophobic monomer units such as water insoluble ethylenically unsaturated compounds and the hydrophobic end groups of initiator radicals or regulator molecules. Optionally, up to 50% by weight of the monomer units containing sulphonic acid or sulphonate groups can be replaced by monomer units containing carboxyl groups or monomer units containing amide groups.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: November 13, 2001
    Assignee: Wacker-Chemie GmbH
    Inventors: Klaus Kohlammer, Gerhard Koegler, Monika Rockinger, Walter Dobler
  • Publication number: 20010034428
    Abstract: The invention relates to a gelling aqueous composition comprising block copolymers containing at least one water-soluble block and at least one block predominantly hydrophobic in nature, and forming a viscoelastic gel.
    Type: Application
    Filed: February 20, 2001
    Publication date: October 25, 2001
    Inventors: Mathias Destarac, Mathieu Joanicot, Roland Reeb
  • Patent number: 6303711
    Abstract: The present invention can provide a water-absorbent or water-retention material comprising water-absorbent resin derived from monomer unit components comprising 40 to 99 wt. % of hydroxyl alkyl (meth)acrylate, 1 to 60 wt. % of (meth)acrylic acid and/or alkali metal salt thereof and 0.00001 to 3 wt. % of crosslinking agent; and a water-absorbent or water-retention material comprising water-swellable polymer which is obtained by further thermally crosslinking a particles of partially alkaline neutralized product of a copolymer of 20 to 99 mol % of acrylamide and 1 to 80 mol % of acrylic acid. The water-absorbent or water-retention material of the present invention is not readily subject to an influence of salts, and the absorbency does not deteriorate with respect to an aqueous solution containing a great amount of metallic ion of salts.
    Type: Grant
    Filed: April 10, 2000
    Date of Patent: October 16, 2001
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Takashi Sumiya, Masami Koike, Yoji Fujiura, Mihoko Nomoto
  • Patent number: 6297335
    Abstract: The hydrogels are based on polymerized monomers or on graft polymers and each have a Pressure Absorbency Index <100 and a vertical absorption of not less than 12 g/g under a pressure of 1922.8 Pa.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: October 2, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Rüdiger Funk, Norbert Herfert, Mariola Wanior, Patricia D. Brown, Fritz Engelhardt, Guy T. Woodrum
  • Publication number: 20010023284
    Abstract: Linear, branched or crosslinked polymer, capable of being obtained by polymerization of N-alkylacrylamide, in which the alkyl radical is linear or branched and comprises from 1 to 6 carbon atoms, with one or more monomers chosen from cationic monomers, monomers comprising at least one partially salified or completely salified strong acid functional group or monomers comprising at least one partially salified or completely salified weak acid functional group. A method of preparing the polymer is also disclosed.
    Type: Application
    Filed: December 28, 2000
    Publication date: September 20, 2001
    Inventors: Francoise Candau, Joseph Selb, Paul Mallo, Olivier Braun
  • Publication number: 20010020079
    Abstract: Method of separating molecules by providing a cross-linked polymer gel having a cross-linking moiety of the formula 1
    Type: Application
    Filed: December 21, 2000
    Publication date: September 6, 2001
    Applicant: The University of Melbourne
    Inventors: David Henry Solomon, Grace Chan, Peter Agapitos Kambouris, Mark Graham Looney
  • Patent number: 6277932
    Abstract: Beads are made from water-soluble monomer or monomer blend by reverse phase bead polymerization by extruding aqueous monomer beads into or onto the top of an upflowing column of non-aqueous liquid and the beads polymerise as they float downwardly through the column during a period of at least ½ minute. The resultant beads can have a very narrow particle size distribution.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: August 21, 2001
    Assignee: Ciba Specialty Chemicals Water Treatments, Ltd.
    Inventors: Martin William Whitley, Gareth Ian Naylor, David Andrew Houlton, Jonathan Heath Veal, Robert David Burrows
  • Patent number: 6274686
    Abstract: This invention relates to molecularly imprinted polymers (MIPs) using an amide as the hydrogen bonding functional group. The amide MIPs made according to this invention exhibited enantiomeric recognition of the imprinted species when evaluated by high performance liquid chromatography (HPLC) even in an aqueous phase. In addition, the amide MIPs demonstrated improved enantiomeric resolution and load capacity.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: August 14, 2001
    Inventors: Klaus Mosbach, Cong Yu
  • Patent number: 6271327
    Abstract: Water-soluble polymers whose characteristic structural elements comprise units of the formulae I and/or II where R1 is H, alkyl, cycloalkyl, aryl or aralkyl, R2 and R3 independently are as defined for R1 or are selected from substituted alkyl, substituted cycloalkyl, substituted aryl or substituted aralkyl, the substituents being selected from OH, O-alkyl, O-aryl, SH, S-alkyl, S-aryl, NH2, NH-alkyl, NH-aryl, N(alkyl)2, possibly in protinated form, N(Alkyl)3+3Z−, where Z is the radical of an inorganic or organic acid, COOH, COO-alkyl, CONH2, CONH-alkyl, CON(alkyl)2, CN and SO3H; and the indices x are each independently an integer from 1 to 20; and the acid addition salts of these polymers, (processes for whose preparation are also described), are used in cosmetic compositions.
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: August 7, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Manfred Niessner, Martin Rübenacker, Claudia Nilz, Peter Hössel
  • Patent number: 6265499
    Abstract: A process for producing a shaped product, which comprises polymerizing a mixture comprising a radical scavenger, a polymerization initiator and a radical polymerizable monomer to obtain a partially polymerized mixture having the conversion of the monomer into the polymer of from 5 to 90 wt %, filling the partially polymerized mixture in a predetermined cavity and then applying polymerization energy to complete polymerization.
    Type: Grant
    Filed: November 27, 1998
    Date of Patent: July 24, 2001
    Assignee: Menicon Co., Ltd.
    Inventors: Haruko Nagino, Ichiro Ando
  • Patent number: 6265477
    Abstract: An aqueous dispersion of a particulate high molecular weight water soluble anionic or nonionic polymer is prepared by polymerizing 0-7 mole percent of at least one anionic monomer and 100-93 mole percent of at least one non-ionic monomer under free radical forming conditions in an aqueous solution of a water-soluble salt at a pH greater than 5 in the presence of an anionic water soluble stabilizer polymer containing from about 1.25 to about 20 mole percent 2-acrylamido-2-methyl-l-propanesulfonic acid.
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: July 24, 2001
    Assignee: Nalco Chemical Company
    Inventor: John R. Hurlock
  • Patent number: 6262225
    Abstract: The invention is related to an olefin-carbon monoxide-vinyl monomer terpolymer composition which is derived from an olefin feed and a synthesis gas feed and at least one vinyl monomer feed. The invention is also related to a method for preparing olefin-carbon monoxide-vinyl monomer terpolymers by heating an olefin feed, a synthesis gas feed and at least one vinyl monomer feed in the presence of a free radical polymerization initiator. More particularly, the synthesis gas feed comprises predominantly carbon monoxide and hydrogen. The terpolymers of the invention are useful as polyvinyl chloride plasticizers.
    Type: Grant
    Filed: July 18, 2000
    Date of Patent: July 17, 2001
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Abhimanyu O. Patil, Manika Varma-Nair
  • Patent number: 6262163
    Abstract: The invention relates to a process for preparing protective-colloid-stabilized vinyl ester or vinyl ester-ethylene polymers in the form of their aqueous dispersions by emulsion polymerization in the presence of one or more protective colloids, which comprises carrying out the polymerization in the presence of a hydrophobic but silane-free protective colloid based on (meth)acrylate polymers with from 80 to 95% by weight, based on the total weight of the copolymer, of acrylic or methacrylic esters of aliphatic alcohols having from 1 to 12 carbon atoms, and from 5 to 20% by weight, based on the total weight of the copolymer, of ethylenically unsaturated mono- or dicarboxylic acids, and with a glass transition temperature Tg of the copolymer of from 60 to 120° C., and with a Fikentscher K value of the copolymer of from 20 to 50.
    Type: Grant
    Filed: March 29, 1999
    Date of Patent: July 17, 2001
    Assignee: Wacker Chemie GmbH
    Inventors: Hans-Peter Weitzel, Udo Kotschi, Manfred Hannebaum