Patents Assigned to Rohm and Haas
  • Insecticidal N'-substituted-N'-substituted N,N'-diacylhydrazines
    Patent number: 5225443
    Abstract: This invention relates to insecticidal compositions containing N-substituted-N'-substituted-N,N'-diacylhydrazines methods of using such compositions and novel insecticidal N-substituted-N'-substituted-N,N'-diacylhydrazines.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: July 6, 1993
    Assignee: Rohm and Haas Company
    Inventors: Raymond A. Murphy, Adam C. Hsu
  • Solvent core encapsulant composition
    Patent number: 5225279
    Abstract: The present invention relates to a sequential polymerization process for preparing a water-insoluble dispersion of core/shell particles. In one embodiment the process may be employed to produce a particulate dispersion useful in making water-based coating compositions wherein on drying the particulate dispersion serves as an opacifying agent. In another embodiment the process may be employed to microencapsulate a hydrophobic target material, such as a biocide or herbicide.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: July 6, 1993
    Assignee: Rohm and Haas Company
    Inventors: George H. Redlich, Ronald W. Novak
  • Process for polymerization of itaconic acid
    Patent number: 5223592
    Abstract: Polymers of itaconic acid are formed at high conversion by adding completely neutralized monomer solution and initiator solution to a vessel initially containing water at a temperature sufficient for polymerization. These polymers are biodegradable and are most useful as detergent additives, scale inhibitors and removers, sequesterants, yarn sizers, deflocculating agents, de-inking agents, suspending agents and dispersing agents.
    Type: Grant
    Filed: March 27, 1991
    Date of Patent: June 29, 1993
    Assignee: Rohm and Haas Company
    Inventors: Kathleen A. Hughes, Graham Swift
  • Molecular weight control in peroxide-initiated aqueous polymerizations
    Patent number: 5223590
    Abstract: This invention relates to the use of copper and cobalt ions to control molecular weight in the aqueous polymerization of vinyl monomers. Incorporating catalytic amounts, generally from 1 to about 300 ppm of copper or cobalt ions, in aqueous polymerization reactions initiated with peroxides, preferably with partial neutralization of the monomers, provides for molecular weight control of the resulting polymers.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: June 29, 1993
    Assignee: Rohm and Haas Company
    Inventors: Kathleen A. Hughes, Graham Swift
  • Use of certain triazoles to protect materials from fungal attack, articles and compositions
    Patent number: 5223178
    Abstract: Specific triazoles discovered to be useful as industrial fungicides are:1. .alpha.-n-butyl-.alpha.-phenyl-1H-1,2,4-triazole-1-propanenitrile2. .alpha.,.alpha.-diphenyl-1H-1,2,4-triazole-1-propanenitrile3. .alpha.-benzyl-.alpha.-phenyl-1H-1,2,4-triazole-1-propanenitrile4. .alpha.-n-butyl-.alpha.-2-methoxyphenyl-1H-1,2,4-triazole-1-propanenitrile5. .alpha.-n-butyl-.alpha.-4-fluorophenyl-1H-1,2,4-triazole-1-propanenitrile6. .alpha.-phenyl-.alpha.-(2-phenylethyl)-1H-1,2,4-triazole-1-propanenitrile7. .alpha.-(4-fluorophenyl)-.alpha.-n-propyl-1H-1,2,4-triazole-1-propanenitri le8. .alpha.-[2-(4-chlorophenyl)ethyl]-.alpha.-phenyl-1H-1,2,4-triazole-1- propanenitrile9. .alpha.-n-butyl-.alpha.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: June 29, 1993
    Assignee: Rohm and Haas Company
    Inventors: Liam E. Leightley, Steven H. Shaber, Gary L. Willingham
  • Process for graft copolymers of polyglutarimides and aromatic polyesters
    Patent number: 5223578
    Abstract: Polymers containing glutarimide units and also acid and/or anhydride units are compatible with polyesters, such as poly(ethylene terephthalate) to form blends. Chemical interaction (grafting) between the polyester and the acid/anhydride groups of the polyglutarimide occurs on processing the blends. The extent of grafting and the properties of the resultant blend can be enhanced by appropriate catalysts.
    Type: Grant
    Filed: February 21, 1991
    Date of Patent: June 29, 1993
    Assignee: Rohm and Haas Company
    Inventor: Michael P. Hallden-Abberton
  • Co-microagglomeration of emulsion polymers (encapsulated core/shell additives for PVC)
    Patent number: 5221713
    Abstract: Core/shell additives, useful in modifying the processing and/or physical properties of poly(vinyl chloride) and other thermoplastic matrix polymers, are prepared separately at small particle sizes by emulsion polymerization, co-agglomerated, further encapsulated by a final shell, and isolated by spray-drying or coagulation. The isolated powders are readily re-dispersed to their original particle sizes in the matrix polymer.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: June 22, 1993
    Assignee: Rohm and Haas Company
    Inventors: James S. Kempner, Hsing-Yeh Parker, Janis C. Stevenson, Morris C. Wills, Judith L. Allison
  • Aquatic antifouling composition
    Patent number: 5221331
    Abstract: An aquatic antifouling composition characterized by containing as effective antifouling component a metal salt of hexamethylenedithiocarbamic acid represented by the formula below: ##STR1## (where M is a divalent or trivalent metal; n is 2 or 3.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: June 22, 1993
    Assignee: Rohm and Haas Company
    Inventors: Hirotake Ikari, Teruyoshi Takahashi, Hiroshi Kanbara
  • Antimicrobial compositions comprising iodopropargyl butylcarbamate and 1,2-benzisothiazolin-3-one and methods of controlling microbes
    Patent number: 5219875
    Abstract: A synergistic antimicrobial composition comprising 1,2-benzisothiazolin-3-one and iodopropargyl butylcarbamate in a ratio to each other which exhibits synergism is disclosed.
    Type: Grant
    Filed: November 27, 1990
    Date of Patent: June 15, 1993
    Assignee: Rohm and Haas Company
    Inventors: Samuel E. Sherba, Raj J. Mehta, Barry C. Lange
  • Cospray washout resistant roof mastic
    Patent number: 5219914
    Abstract: A washout resistant roof mastic is disclosed in which an emulsion is applied and contacted with a second material that causes the emulsion to flocculate and set quickly. The emulsion can be applied for example through an applicator that simultaneously applies the emulsion and the flocculant.
    Type: Grant
    Filed: December 27, 1989
    Date of Patent: June 15, 1993
    Assignee: Rohm and Haas Company
    Inventor: Charles E. Warburton, Jr.
  • Latex-paints
    Patent number: 5219917
    Abstract: The ICI viscosity of a paint is improved by incorporating into the paint a binder that comprises a film former and polymeric composition. The polymeric composition comprises about 30 to about 50 weight percent of a substantially non-self-polymerizable monomer and about 50 to about 70 weight percent of a copolymerizable monomer having a water-soluble homopolymer. The polymeric composition and film former are substantially inseparable by chromatographic means.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: June 15, 1993
    Assignee: Rohm and Haas Company
    Inventors: David M. Ingle, Gaylen M. Knutson
  • Carbonaceous adsorbents for prevention of carbon bed fires
    Patent number: 5217505
    Abstract: A process for removing an oxidizable organic compound from an oxidizing gas stream which includes contacting the gas stream with a bed of carbonaceous adsorbent particles, wherein the adsorbent particles comprise porous pyrolyzed particles of a polysulfonated cross-linked synthetic copolymer, to adsorb the oxidizable organic compound on the adsorbent particles.
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: June 8, 1993
    Assignee: Rohm and Haas Company
    Inventors: Stephen G. Maroldo, Mark T. Vandersall
  • Process for enhancing the surface area of an adsorbent copolymer
    Patent number: 5218004
    Abstract: Highly crosslinked styrenic copolymers are treated to enhance their surface area by reacting residual vinyl groups in the copolymers in the presence of water or other non-swelling liquid and a Lewis-acid catalyst at elevated temperature
    Type: Grant
    Filed: August 16, 1990
    Date of Patent: June 8, 1993
    Assignee: Rohm and Haas Company
    Inventor: Thomas E. Meteyer
  • Substituted ethylene imidazole and triazoles
    Patent number: 5216007
    Abstract: This invention relates to substituted ethylenic imidazoles and triazoles, their enantiomorphs, acid addition salts and metal complexes as well as their methods of preparation and use as broad spectrum systemic fungicides useful in controlling phytopathogenic fungi such as barley net blotch (Helminthosporium teres), bean powdery mildew (Erysiphe polygoni), peanut cercospora (Cercospora arachidicola), and wheat stem rust (Puccinia graminis f. sp. tritici race 15B-2).
    Type: Grant
    Filed: January 15, 1992
    Date of Patent: June 1, 1993
    Assignee: Rohm and Haas Company
    Inventors: George A. Miller, Hak-Foon Chan
  • Low molecular weight water soluble phosphinate and phosphonate containing polymers
    Patent number: 5216099
    Abstract: A process to efficiently utilize the chain transfer agent hypophosphorous acid or salts in the preparation of low molecular weight polycarboxylate polymers comprising employing in process neutralization of the carboxylic acid monomers.A low molecular weight polycarboxylate polymer containing phosphinate and phosphonate functional groups where less than 20% of the phosphorus is present in inorganic non polymeric compounds.
    Type: Grant
    Filed: April 4, 1991
    Date of Patent: June 1, 1993
    Assignee: Rohm and Haas Company
    Inventors: Kathleen A. Hughes, Graham Swift
  • Fatty acid hydroxyalkylamides as coreactable stabilizers and flow aids for powder coatings
    Patent number: 5216090
    Abstract: A thermosetting powder coating composition having improved optical properties, such as orange peel, gloss and Distinctness of Image (DOI), which includes a reactable mixture of a carboxylic acid group-containing polyester or acrylic, a fatty acid hydroxyalkylamide group-containing material and beta-hydroxyalkylamide curing agent.
    Type: Grant
    Filed: July 27, 1992
    Date of Patent: June 1, 1993
    Assignee: Rohm and Haas Company
    Inventors: Richard F. Merritt, Kurt A. Wood, Aurelia de la Cuesta Sheppard
  • Stabilization of methacrylic polymers against sterilizing radiation
    Patent number: 5216060
    Abstract: The present invention is directed to methacrylic polymer compositions which may be used to form plastic products which have increased resistance to sterilizing radiation, such as gamma or electron beam irradiation.
    Type: Grant
    Filed: August 28, 1991
    Date of Patent: June 1, 1993
    Assignee: Rohm and Haas Company
    Inventors: Paul J. Keating, Donald E. Roach
  • Stable aqueous emulsion copolymers with siloxane functionality
    Patent number: 5214095
    Abstract: Stable, aqueous emulsion copolymers with controllable siloxane crosslinking functionality are provided. These copolymers are prepared by a concurrent free radical and cationic initiated emulsion polymerization of at least one free radical initiatable monomer at least one linear siloxane precursor monomer, and at least one bifunctional silane monomer having both free radical polymerizable and silicon functional groups. The copolymers are useful in curable coatings, paints, caulks, adhesives, non-woven and ceramic compositions and as modifiers, processing aids and additives in thermoplastics, cements and asphalts.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: May 25, 1993
    Assignee: Rohm and Haas Company
    Inventor: Alvin C. Lavoie
  • Coated articles
    Patent number: 5213901
    Abstract: Wet adhesion, ICI viscosity, and scrub resistance of a paint are improved by incorporating into the paint a binder that comprises a film former and polymeric composition. The polymeric composition comprises either (a) about 15 to about 35 weight percent of substantially non-self-polymerizable monomer, about 30 to about 70 weight percent of a copolymerizable monomer whose homopolymer is water-soluble, and about 10 to about 35 weight percent of a wet adhesion promoting monomer, or (b) about 35 to about 65 weight percent of the substantially non-self-polymerizable monomer and about 35 to about 65 weight percent of the wet adhesion promoting monomer. The polymeric composition and film former are substantially inseparable by chromatographic means.
    Type: Grant
    Filed: July 8, 1992
    Date of Patent: May 25, 1993
    Assignee: Rohm and Haas Company
    Inventor: David M. Ingle
  • Herbicidal-1-(disubstituted carbamoyl or thiocarbamoyl)-1,2,4-triazol-3-yl sulfonates and thisulfonates
    Patent number: 5211739
    Abstract: This invention relates to 1-(disubstituted carbamoyl or thiocarbamoyl)-1,2,4-triazol-3-yl sulfonates and thiosulfonates of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each independently selected from the group consisting of optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl and cycloalkynyl, or they may together with the nitrogen to which they are attached form an optionally substituted heterocyclic ring, R.sup.3 is an optionally substituted alkyl, cycloalkyl, alkenyl, cycloalkenyl, aryl, aralkyl or aromatic heterocyclic group, X and Y are each independently oxygen or sulfur, and the agronomically acceptable acid addition salts and metal complexes thereof, compositions containing these compounds and their uses as herbicides.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: May 18, 1993
    Assignee: Rohm and Haas Company
    Inventor: Raul C. G. Lopez