Patents Assigned to Kewanee Industries
  • Process for preparing alkyldimethylamines
    Patent number: 4293716
    Abstract: A process for preparing alkyldimethylamines which comprises passing through a fixed bed, containing a copper catalyst, optionally chromium oxide, and an oxide of a Group I metal, selected amounts of dimethylamine and an alcohol or mixtures of alcohols.
    Type: Grant
    Filed: December 31, 1979
    Date of Patent: October 6, 1981
    Assignees: Gulf Research & Development Company, Kewanee Industries
    Inventors: Harold E. Swift, Robert A. Innes, Phillip Adams
  • Process for preparing alkyldimethylamines
    Patent number: 4251465
    Abstract: A process for preparing alkyldimethylamines which comprises passing through a fixed bed, containing a copper catalyst and, optionally, chromium oxide, mounted on magnesium aluminate spinel support, dimethylamine and an alcohol or mixture of alcohols.
    Type: Grant
    Filed: December 31, 1979
    Date of Patent: February 17, 1981
    Assignees: Gulf Research & Development Company, Kewanee Industries
    Inventors: Harold E. Swift, Robert A. Innes, Phillip Adams
  • Flocculants for aqueous systems
    Patent number: 4209397
    Abstract: A method of producing floc in an aqueous system by the addition to said system of a capped or terminated quaternary ammonium compound or mixture of such compounds.
    Type: Grant
    Filed: January 31, 1979
    Date of Patent: June 24, 1980
    Assignee: Kewanee Industries
    Inventors: Harold A. Green, John J. Merianos, Alfonso N. Petrocci, Morris Weinstein
  • Radiation-curable coating compositions and inks
    Patent number: 4104144
    Abstract: Radiation-curable coating compositions and inks which have as a component a polymerizable monomer or a mixture of polymerizable monomers, said monomer or monomers being represented by the formula: ##STR1## where Z represents a divalent aromatic, aliphatic or cycloaliphatic radical such as the following: ##STR2## and R is substantially an unsaturated monovalent organic radical of a polyfunctional polyethylenecally unsaturated ester.
    Type: Grant
    Filed: December 9, 1976
    Date of Patent: August 1, 1978
    Assignee: Kewanee Industries
    Inventors: Marvin Weiss, Phillip Adams, Gerald I. Nass, Roland L. Leitner
  • Polymeric anti-microbial agent
    Patent number: 4089977
    Abstract: A polymeric quaternary ammonium compound, or a mixture of polymeric quaternary ammonium compounds, having the formula Z[CH.sub.2 CHOHCH.sub.2 -N.sup..sym. (CH.sub.3).sub.2 ].sub.n CH.sub.2 CHOHCH.sub.2 --Z + nX.sup.-, wherein Z is either X or the radical --N(CH.sub.3).sub.2 ; where X is halogen of atomic weight greater than 34; and n is an integer of from 2 to 20.
    Type: Grant
    Filed: November 24, 1976
    Date of Patent: May 16, 1978
    Assignee: Kewanee Industries
    Inventors: Harold A. Green, John J. Merianos, Alfonso N. Petrocci
  • Surface-active agent
    Patent number: 4077990
    Abstract: 10-undecylenoylamidopropyl dimethylamine oxide utilizable as a surfactant and as an intermediate for synthesizing other surfactants.
    Type: Grant
    Filed: October 26, 1976
    Date of Patent: March 7, 1978
    Assignee: Kewanee Industries
    Inventors: Kenneth W. Prodo, Robert W. Bender
  • Synergistic antimicrobial mixtures
    Patent number: 4071628
    Abstract: Synergistic mixtures of a dodecylguanidine salt with the condensation product of formaldehyde and ethanolamine wherein the molar ratio of the formaldehyde and ethanolamine in the condensation product is about 1:1.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: January 31, 1978
    Assignee: Kewanee Industries
    Inventors: Alfonso N. Petrocci, John J. Merianos, Harold A. Green
  • Dye-bath oxidants
    Patent number: 4042319
    Abstract: A dye-bath oxidant comprising a mixture of bromate and iodate salts.
    Type: Grant
    Filed: October 12, 1976
    Date of Patent: August 16, 1977
    Assignee: Kewanee Industries
    Inventors: Elliot H. Baum, Gerald R. Ferrante