Abstract: A composition for preventing or retarding the formation of gas hydrates during the transport of a fluid comprising water and a hydrocarbon through a conduit. The composition is a homopolymer of vinyl caprolactam, or copolymers thereof, having a low molecular weight in the range of 500 to 4000, which is made by polymerization of the monomer or monomers in a polymerization solvent which is a mixture of a glycol ether and water, preferably 2-butoxyethanol and water, at a pH of about 8-12.
Type:
Grant
Filed:
April 21, 2000
Date of Patent:
June 5, 2001
Assignee:
ISP Investments Inc.
Inventors:
Kirill N. Bakeev, Randall Myers, Jui-Chang Chuang, Thomas Winkler, Allen Krauss
Abstract: A method of protecting hair or wool against thermal degradation when heat treated at 100-180° C. which comprises applying a composition which includes methyl vinyl ether-maleic acid copolymer as an active constituent to said hair or wool.
Type:
Grant
Filed:
June 22, 1999
Date of Patent:
June 5, 2001
Assignee:
ISP Investments Inc.
Inventors:
Roger L. McMullen, Jr., Janusz Jachowicz
Abstract: This invention relates to a color stable pigment composition for coating hard mineral granules employed for weather surfacing asphalt roofing and siding shingles. The composition is a 40-60% aqueous slurry of pigment containing ferrosoferric oxide and a silicate/clay mixture which is suitable for coating the surface of the mineral granules. The invention also pertains to a process for the manufacture of the coated granules, to the dry coated mineral granule product containing ferrosoferric oxide bonded in a silicate/clay matrix which is suitable for surfacing asphaltic shingles, to the dried composition containing from about 5 to about 50 wt. % total pigment in a silicate/clay matrix in which the pigment contains Fe3O4 in a concentration of between about 2 and about 100% and to a Fe3O4 pigment mixture per se.
Abstract: A process of making a vinyl caprolactam (VCL)-based polymer which comprises suspension polymerizing the monomers in aqueous medium in the absence of an added protective colloid, wherein polymer formed at an early stage of the polymerization functions as a dispersing agent to maintain polymer particles suspended in water throughout the polymerization.
Type:
Grant
Filed:
July 1, 1999
Date of Patent:
May 1, 2001
Assignee:
ISP Investments Inc.
Inventors:
Jui-Chang Chuang, Michael A. Drzewinski
Abstract: What is shown is a high purity adduct of castor oil and a cyclic carboxylic acid anhydride, charactered by the absence of free acid anhydride, which is used in personal care products. The adduct is made by a process, without side reactions, which includes (a) reacting castor oil and cyclic carboxylic acid anhydride at a temperature of 75-120° C. for 4 to 24 hours, and then (b) continuing the reaction at room temperature for at least 1 week to react any remaining maleic anhydride. Skin and hair care formulations of such adducts are also described.
Type:
Grant
Filed:
June 29, 1999
Date of Patent:
May 1, 2001
Assignee:
ISP Investments Inc.
Inventors:
Steven H. Bertz, Frank M. Miksza, Elliott Zucker
Abstract: Solvent-free, free-flowing, fine white powders of a copolymer of maleic anhydride and a C1-C4 alkyl vinyl ether having a specific viscosity of about 0.5 to about 5 (1% wt/v in methyl ethyl ketone, 25° C.) and substantially without residue, odor or taste. A solvent-free process of polymerizing the monomers in the presence of 0.01 to 1.9% acetaldehyde also is described.
Abstract: Solvent-free, fine white powders of a copolymer of maleic anhydride and a C1-C4 alkyl vinyl ether substantially free of poly(alkyl vinyl ether) homopolymer.
Abstract: What is described herein are conditioning/styling terpolymers of vinylpyrrolidone (VP), dimethylaminopropyl methacrylamide (DMAPMA) and C9-C24 alkyl dimethylaminopropyl methacrylic acid quaternized monomers (QDMAPMA), in a defined compositional range. Hair and skin care compositions which include these terpolymers exhibit advantageous low tackiness and high humidity resistance.
Type:
Grant
Filed:
May 7, 1999
Date of Patent:
March 27, 2001
Assignee:
ISP Investments Inc.
Inventors:
Janusz Jachowicz, Kou-Chang Liu, Roger L. Mc Mullen, Jr., Thomas Winkler
Abstract: This invention relates to the preparation of stable, quaternized vinylpyridine carboxylate homo-, co- and ter-polymers in high yield and purity, which polymers are useful as dye transfer inhibitors and polymers complexable with active agrochemical, pharmaceutical or cosmetic agents for controlled release thereof.
Type:
Grant
Filed:
September 22, 1999
Date of Patent:
March 13, 2001
Assignee:
ISP Investments Inc.
Inventors:
Jenn S. Shih, Eduardo T. Yap, John C. Hornby, Bala Srinivas
Abstract: The invention relates to a fast drying biocidal composition having enhanced penetration for the treatment and preservation of wood, leather and similar natural products which comprises:
A. between about 10 and about 50 wt. % of a concentrate comprising a petroleum distillate boiling above 40° C. and containing
(a) between about 0.5 and about 7 wt. % of an active nitrogen- or sulfur-containing biocide and
(b) between about 20 and about 55 wt. % of a solvent for said active biocide selected from the group consisting of
(i) butyrolactone containing 0 to 85 wt. % N-methyl pyrrolidone and/or 0 to 85 wt. % of a C2 to C4 aliphatic alcohol and
(ii) N-methyl pyrrolidone containing 0 to 85 wt. % of a C2 to C4 alcohol and
B. from about 90 to about 50 wt. % of a C2to C4 aliphatic alcohol containing 0 to 85 wt. % of mineral spirit as a diluent to provide a sprayable composition and to the process for treating a wood or leather substrate with said biocidal composition.
Type:
Grant
Filed:
December 16, 1999
Date of Patent:
March 6, 2001
Assignee:
ISP Investments Inc.
Inventors:
Kolazi S. Narayanan, Domingo I. Jon, Donald Prettypaul
Abstract: What is described is a high molecular weight homogeneous, branched copolymer of maleic anhydride and a C1-C5 alkyl vinyl ether monomer, in which a branching agent is present in an amount of less than 0.5 wt. % of the polymer. A solution process of making such polymer also is described.
Abstract: A homogeneous terpolymer of random monomer distribution containing (a) from abut 32 to about 90% of an N-vinyl lactam, (b) from about 0.5 to about 20% of a mono- or di-functional polysiloxane and (c) from about 5 to about 48% of quaternized or non-quaternized dimethylaminoalkyl-acrylate, methacrylate, acrylamide or methacrylamide combined to form a 100% terpolymer having an excess of vinyl lactam moiety with respect to (c); which terpolymer is useful in a personal care applications, particularly as a hair fixative and conditioner where colorless and clear film forming properties of the terpolymer provides a superior silky, lustrous appearance to the hair without altering hair color or shade, particularly without alteration to dyed or bleached hair.
Abstract: Clear, high load water miscible emulsions of quinoxalinyl ester herbicides, particularly quizalofop-p-ethyl, as a single phase, translocatable composition which is free of xylene and alkylphenol ethoxylate surfactants and concentrate matrix for the active quinoxalinyl ester component at between about 9 and about 25 wt. % active concentration.
Type:
Grant
Filed:
February 16, 2000
Date of Patent:
February 13, 2001
Assignee:
ISP Investments Inc.
Inventors:
Kolazi S. Narayanan, Domingo I. Jon, Donald I. Prettypaul
Abstract: Solvent-free, fine white powders of high molecular weight copolymers of maleic anhydride and C1-C4 alkyl vinyl ethers, which are particularly useful as starting materials for denture adhesives. A solvent-free process for making such copolymers also is described.
Abstract: A composition is provided herein for preventing or retarding the formation of gas hydrates or for reducing the tendency of gas hydrates to agglomerate, during the transport of a fluid comprising water and a hydrocarbon, through a conduit. The composition is a homopolymer of vinyl caprolactam having the low molecular weight in the range of 500 to 2500, or copolymers or terpolymers thereof, and a polyoxyalkylenediamine or a polyoxyarylenediamine. Such homopolymers, copolymers and terpolymers, preferably are made and applied in the defined solvent, which, most preferably, is a glycol ether such as 2-butoxyethanol.
Type:
Grant
Filed:
February 2, 2000
Date of Patent:
January 30, 2001
Assignee:
ISP Investments Inc.
Inventors:
Kirill N. Bakeev, Randall T. Myers, David E. Graham
Abstract: A cosmetically active oil-in-water (o/w) or water-in-oil (w/o) emulsion, for topical applications comprising (a) the reaction product of a non-aqueous, heterogeneous polymerization of a liquid reaction mixture containing between about 5 and about 70%, preferably 10-40%, by weight, of N-vinylamide monomer in an oil solvent, a free radical initiator, between about 0.1 and about 2.5% by weight of a crosslinking agent and optionally a surfactant, (b) water sufficient to form said emulsion, (c) a cosmetically active hair and/or skin treating chemical or chemical composition and optionally (d) a surfactant.
Type:
Grant
Filed:
December 2, 1998
Date of Patent:
January 23, 2001
Assignee:
ISP Investments Inc.
Inventors:
Jenn S. Shih, Jui-Chang Chuang, Krystyna Plochocka
Abstract: This invention relates to a mixture of imageable polyacetylenic compounds which have similar photosensitivities and which are visually imageable in complementary colors combinable to provide a black image, which mixture contains at least one polyacetylenic metal salt which produces a color, preferably a metal salt of a diacetylene C6 to C48 mono- or dicarboxylic acid, which is complementary to a color produced by another polyacetylenic metal salt or non-metallic polyacetylenic compound contained in the mixture or in an another integral color forming layer. The invention also pertains to the use of said mixture and the manner of its preparation.
Abstract: Radiation polymerizable vinylether-based compositions, and cured vinylether-based formulations having a predetermined balance of tack, peel and shear particularly suitable for use in pressure sensitive adhesives are described.
Type:
Grant
Filed:
April 8, 1999
Date of Patent:
January 16, 2001
Assignee:
ISP Investments Inc.
Inventors:
James A. Dougherty, John McKittrick, Arvind M. Mathur
Abstract: A process for making a roofing ply roll or sheet product which comprises pretreating a fiber glass mat with water to provide greater than 2 and less than 10 wt. % water therein, and impregnating said moisturized mat with molten asphalt, the amount of asphalt retained in said mat being directly related to the amount of water present in the pretreated mat. An ASTM D 2178 Type VI roofing ply sheet comprising a fiber glass mat impregnated with asphalt and having a tensile strength of at least 60 lbf/in CMD and a flexibility of about 0.2 or less in inch/lb stiffness modulus MD.
Type:
Grant
Filed:
October 1, 1999
Date of Patent:
December 12, 2000
Assignee:
Building Materials Corporation of America
Abstract: What is described is an aqueous, flowable suspension concentrate of an agriculturally active chemical having excellent dilution and storage stability, and sprayable aqueous use formulation thereof, containing partially neutralized alkyl vinyl ether-maleic acid half-ester copolymers as dispersing agents therein.
Type:
Grant
Filed:
September 30, 1998
Date of Patent:
December 5, 2000
Assignee:
ISP Investments Inc
Inventors:
James F. Curry, Ronald H. Goehner, Jr., Kolazi S. Narayanan, Domingo Jon