C-oh Patents (Class 524/244)
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Patent number: 5015676Abstract: A process for enhancing the electrostatic chargeability of powder coatings or powders intended for surface-coating solid objects, by homogeneously incorporating at least one salt-like, cationic compound of the formulae (1) and/or (2) ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4, independently of one another, are hydrogen atoms, straight-chain or branched alkyl groups having 1 to 30 carbon atoms, oxethyl groups of the formula --(CH.sub.2 --CH.sub.2 --O).sub.n --R in which R is a hydrogen atom or a (C.sub.1 -C.sub.4)alkyl or acyl group, and n is a number from 1 to 10, mononuclear or polynuclear cycloaliphatic radicals having 5 to 12 carbon atoms, mononuclear or polynuclear aromatic radicals or araliphatic radicals, R.sub.5 denotes a hydrogen, fluorine, chlorine or bromine atom or a (C.sub.1 -C.sub.6)alkoxy or primary amino group, and where R.sub.1 and R.sub.3 may be part of a ring system having 5 to 7 atoms and 0 to 3 double bonds, and A.sup.Type: GrantFiled: November 3, 1988Date of Patent: May 14, 1991Assignee: Hoechst AktiengesellschaftInventors: Hans-Tobias Macholdt, Alexander Sieber, Claus Godau, Albrecht Manz
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Patent number: 4960463Abstract: An aqueous polish composition comprising a polymeric polish material and an alkoxylated amine sulfactant is disclosed. Also disclosed is a method of making the aqueous polish composition as well as a method of using an alkoxylated amine surfactant to improve selected physical properties of a polymeric polish material.Type: GrantFiled: October 6, 1989Date of Patent: October 2, 1990Assignee: S. C. Johnson & Son, Inc.Inventor: Oliver M. Brown
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Patent number: 4957960Abstract: An encapsulating composition for electronic devices comprises a curable material such as a silicone resin and an ion scavenger compound selected from certain calixarene or oxacalixarene compounds in which at least half of the phenolic groups have been substituted by specific groups and certain silacrown compounds. Exemplary ion scavenger compounds include ##STR1## the tetraethyl acetate of 7, 13, 19, 25-tetra-tertbutyl-27, 28, 29, 30-tetrahydroxy-2,3-dihomo-3-oxacalix-4-arene and 1,1-dimethasila-17-crown-6.Type: GrantFiled: January 30, 1990Date of Patent: September 18, 1990Assignee: Loctite (Ireland) Ltd.Inventors: Stephen J. Harris, John G. Woods, John M. Rooney, Marueen G. MacManus, John Guthrie
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Patent number: 4923514Abstract: An aqueous polish composition comprising a polymeric polish material and an alkoxylated amine surfactant is disclosed. Also disclosed is a method of making the aqueous polish composition as well as a method of using an alkoxylated amine surfactant to improve selected physical properties of a polymeric polish material.Type: GrantFiled: September 8, 1988Date of Patent: May 8, 1990Assignee: S. C. Johnson & Son, Inc.Inventor: Oliver M. Brown
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Patent number: 4912157Abstract: A composition useful in printing inks exemplified as comprising:(1) from about 4 to about 80% by weight of one or more polyester materials having an acid component of from about 75 to about 84 mole % isophthalic acid and conversely from about 25 to about 16 mole % 5-sodiosulfoisophthalic acid, and having a glycol component of from about 45 to about 60 mole % diethylene glycol and conversely from about 55 to about 40 mole % 1,4-cyclohexanedimethanol or ethylene glycol or mixtures thereof;(2) from about 1.0 to about 60% by weight of pigment material;(3) from about 0.05 to about 30% by weight of a nonionic, polyether type property modifier; and(4) from substantially none to about 90% by weight of water.Type: GrantFiled: April 29, 1988Date of Patent: March 27, 1990Assignee: Eastman Kodak CompanyInventors: Gary T. Clark, John N. Rasar, Rebecca R. Stockl
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Patent number: 4908399Abstract: An encapsulating composition for electronic devices comprises a curable material such as an epoxy resin and an ion scavenger compound selected from certain calixarene or oxycalixarene compounds in which at least half of the phenolic groups have been substituted by specific groups and certain silacrown compounds. Exemplary ion scavenger compounds include ##STR1## the tetraethyl acetate of 7, 13, 19, 25-tetra-tertbutyl-27, 28, 29, 30-tetrahydroxy-2,3-dihomo-3-oxacalix-4-arene and 1,1-dimethasila-17-crown-6.Type: GrantFiled: November 14, 1988Date of Patent: March 13, 1990Assignee: Loctite (Ireland) Ltd.Inventors: Stephen J. Harris, Maureen G. MacManus, John Guthrie
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Patent number: 4904715Abstract: The instant invention is directed to a method for preparing free-flowing, water-soluble polymer gels comprising:(a) reducing the size of water-soluble polymer gels by a size-reduction means, so as to produce polymer gel particles which are less than 1/2 inch in their longest dimension; and(b) adding to the size-reduced polymer gels of Step (a) 0.001 to 20 percent, by weight, of an amphipathic compound, thereby reducing the adhesion of said gel particles to themselves and other substances.Type: GrantFiled: August 11, 1988Date of Patent: February 27, 1990Assignee: Calgon CorporationInventors: Wood E. Hunter, Gary P. Craun
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Patent number: 4889879Abstract: Coherent thermoplastic aggregates with very high content of pulverized mineral materials, composed of the said materials, of polyolefin polymers and/or copolymers, and possibly also of various familiar adjuvants, characterized by the fact that, in order for them to have both a volumetric mass close to or at most equal to the theoretical volumetric mass of the pulverized mineral substances entering into their composition and an excellent compatibility with redispersion polymers, the polymers and/or copolymers entering into the composition of the said aggregates in presence of a fluidizing agent are chosen within the group of thermoplastics with melting and/or softening point at least equal to 60.degree. C. and index of fluidity at least 50 (measured according to the standard ASTM D 1238) of the polyolefin type, other than those containing a polar monomer.Type: GrantFiled: July 24, 1987Date of Patent: December 26, 1989Assignee: Pluess Staufer AGInventors: Henry Seinera, Patricia Luberne, Claude Stock, Patrick Trouve
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Patent number: 4810738Abstract: An additive composition for electrophoretic baths, an electrophoretic bath, and a process for achieving thicker films by electrophoretic deposition techniques by providing an aqueous solubilized organic resin medium containing additive components in the range of about 1 to 15% by weight of solids in the bath of a compatible surfactant, by 1 to about 15% of a reactive viscosity modifier by weight of solids in the medium, and from about 2 to about 15% of a relatively water immiscible solvent based on the weight of solids in the bath. The additive components may be formulated into a premixed composition of predetermined concentrations of the components and then added to the e-coat bath, or the components may be added to an e-coat bath separately in predetermined amounts. In a preferred embodiment the ratio of surfactant to reactive viscosity modifier to solvent is between 1:0.75:0.75 and 1:5:6.Type: GrantFiled: April 21, 1987Date of Patent: March 7, 1989Assignee: Dresser Industries, Inc.Inventor: Frank J. Caridi
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Patent number: 4798849Abstract: An organic bulk polymer is disclosed having microscopically dispersed therein a liquid crystalline polymer in an amount sufficient to measurably improve the properties of the organic polymer relative to a like bulk polymer in the absence of the liquid crystalline polymer.Type: GrantFiled: October 16, 1987Date of Patent: January 17, 1989Assignee: The Dow Chemical CompanyInventors: Oomman P. Thomas, Robert B. Turner
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Patent number: 4749733Abstract: Compounds of the formulae ##STR1## are useful stabilizers of organic polymeric materials which are subject to thermal, oxidative and/or actinic degradation.Type: GrantFiled: December 12, 1986Date of Patent: June 7, 1988Assignee: Ciba-Geigy CorporationInventors: Ramanathan Ravichandran, Raymond Seltzer
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Patent number: 4745136Abstract: A solution or colloidal dispersion of a polymer of an ethylenically unsaturated steroid derivative in an active hydrogen-containing compound is claimed. The polymer provides improved physical properties to a polyurethane made by reacting the solution or dispersion with an polyisocyanate.Type: GrantFiled: July 14, 1987Date of Patent: May 17, 1988Assignee: The Dow Chemical CompanyInventors: Oomman P. Thomas, Robert B. Turner
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Patent number: 4745135Abstract: Polyurethanes are prepared from a polyol which itselve contains liquid crystalline moieties or which contains dispersed or dissolved liquid crystalline polymers. The use of this polyol is found to provide improved properties to polyurethanes, especially flexible polyurethane foams, which exhibit improved load bearing.Type: GrantFiled: July 14, 1987Date of Patent: May 17, 1988Assignee: The Dow Chemical CompanyInventors: Oomman P. Thomas, Robert B. Turner
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Patent number: 4721530Abstract: The utilization of ethoxylated polyethyleneamines for addition to aqueous dispersions of pyrogenically prepared silicon dioxide in order to obtain an increase of the thickening action thereof.Type: GrantFiled: October 30, 1986Date of Patent: January 26, 1988Assignee: Degussa AktiengesellschaftInventors: Manfred Ettlinger, Johann Mathias, Guenter Stadtmueller
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Patent number: 4708979Abstract: Spherically polymerized polyolefins can be advantageously stabilized by being treated with at least one emulsion or dispersion containing a stabilizer or a mixture of stabilizers and an amine of formula I ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.20 alkyl which may be substituted by --OH, or is C.sub.3 -C.sub.50 alkyl which is interrupted by one or more oxygen atoms, or is C.sub.1 -C.sub.8 alkoxy, and each of R.sub.2 and R.sub.3 independently of the other is hydrogen or has one of the meanings indicated for R.sub.1, or R.sub.2 and Rphd 3, together with the nitrogen atom to which they are attached, form a 5- to 7-membered heterocyclic ring.Type: GrantFiled: April 25, 1986Date of Patent: November 24, 1987Assignee: Ciba-Geigy CorporationInventors: Enea Pedrazzetti, Andre Schmitter, Walter W. Meyer
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Patent number: 4692489Abstract: Incorporation of an ethoxylated amine in a sodium benzoate nucleated propylene polymer resin synergistically improves clarity as well as yellowness over what is achieved by use of sodium benzoate or ethoxylated amine alone.Type: GrantFiled: August 6, 1985Date of Patent: September 8, 1987Assignee: El Paso Products CompanyInventors: Harold K. Ficker, Frederick M. Teskin
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Patent number: 4684683Abstract: An injection blow molding grade resin or improved clarity and processability is obtained by incorporating N,N.sup.1 -ethylene bisstearamide and an ethoxylated amine into a sodium benzoate nucleated propylene polymer.Type: GrantFiled: August 6, 1985Date of Patent: August 4, 1987Assignee: El Paso Products CompanyInventors: Harold K. Ficker, Frederick M. Teskin
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Patent number: 4683262Abstract: Polyamide resins useful as binders in flexographic/gravure inks are provided which are essentially free of polyeric fat acids. These polyamide resins exhibit improved water solubility, yet still retain the other many desirable properties of polyamide resins based on polymeric fat acids. The resins are acid terminated having acid values greater than 30 and are prepared from medium chain (12-26 carbons) dicarboxylic acids such as the C.sub.21 acid, 2-n-hexyl-5-(7-carboxyl-n-heptyl)-cyclohex-3-ene carboxylic acid, and aliphatic diamines having from 2-12 carbon atoms.Type: GrantFiled: April 17, 1986Date of Patent: July 28, 1987Assignee: Henkel Corp.Inventors: Paul D. Whyzmuzis, John M. Menke
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Patent number: 4640935Abstract: An adduct of a heteroatomic monomer, e.g., gamma-methacryloxypropyl trimethoxysilane and a monoahl, e.g., a monohydroxyl polyalkylene oxide or a polyahl, e.g., a polypropylene glycol, is usefully employed in the preparation of stable copolymer dispersions of the type used in the production of polyurethane foams and polyurethane elastomers.The copolymer dispersion is prepared by addition copolymerization of (1) the adduct with (2) ethylenically unsaturated monomer(s), e.g., styrene or mixture thereof with acrylonitrile, while (1) and (2) are dispersed or dissolved in an excess of a polyahl, i.e., an active hydrogen polyfunctional compound.Type: GrantFiled: May 9, 1985Date of Patent: February 3, 1987Assignee: The Dow Chemical CompanyInventors: Thomas E. Fisk, Dwight K. Hoffman
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Patent number: 4624980Abstract: An N-t-alkyl-N-sec-alkyl secondary amine compound of the formula: ##STR1## wherein X, Y and Z are each independently selected from --H, --OH, or an alkyl group having from 1 to about 15 carbon atoms; and n is an integer of from 3 to about 6.Type: GrantFiled: March 28, 1985Date of Patent: November 25, 1986Assignee: Milliken Research CorporationInventors: John W. Rekers, Edward W. Kluger
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Patent number: 4616053Abstract: Thermoplastical processible polyamides are rendered hydrophobic by addition of particular aromatic amines, optionally in combination with selected phenolic compounds.Type: GrantFiled: June 12, 1985Date of Patent: October 7, 1986Assignee: Bayer AktiengesellschaftInventors: Klaus-Dieter Schultz, Rolf-Volker Meyer, Rolf Dhein, Heinz-Josef Fullmann, Dietrich Michael
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Patent number: 4412025Abstract: A non-volatile, anti-gel compound having a chain of at least about 5 repeat units of an alkylene oxide and which is soluble in olefin polymers, and an inorganic anti-block agent having a substantially neutral pH are added to a film grade transition metal catalyzed resin containing halide residues such as Ziegler-Natta catalyzed olefin polymer compositions to prevent: (1) gel streaking/pinstriping during film extrusion processes; (2) blocking of the extruded film; and (3) discoloration of the extruded film upon aging. The anti-gel compound has a molecular weight between about 200 and about 4,000,000 Daltons.Type: GrantFiled: October 8, 1981Date of Patent: October 25, 1983Assignee: Union Carbide CorporationInventors: Michael A. Corwin, George N. Foster
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Patent number: 4324717Abstract: Mannich bases of hindered aromatic alcohols are incorporated in polymeric norbornene materials to improve their resistance to oxidation.Type: GrantFiled: June 23, 1980Date of Patent: April 13, 1982Assignee: The B. F. Goodrich CompanyInventor: Robert W. Layer