Patents by Inventor Philip J. Stainer

Philip J. Stainer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Biocide
    Patent number: 5171350
    Abstract: A biocidal composition for the treatment of water comprises a cationic polyquaternary ammonium biocide, together with a source of transition metal cations e.g. copper II cations and/or a biocide of the type containing a gem. bromonitromethylene group e.g. 2-bromo-2-nitropropane-1,3-diol.
    Type: Grant
    Filed: March 21, 1991
    Date of Patent: December 15, 1992
    Assignee: Advanced Chemical Products Limited
    Inventor: Philip J. Stainer
  • Fabric softener composition: concentrate of quaternary ammonium compound and an oil
    Patent number: 4923622
    Abstract: A fabric softener concentrate consists of a quaternary ammonium salt containing at least one C.sub.8 to C.sub.30 long chain alkyl group, for example dimethyl distearyl ammonium chloride, and an oil or substantially water-insoluble compound having oily/fatty properties, for example a half refined white oil or an alkyl ester of a long chain fatty acid. The liquid concentrate can be dispersed/emulsified in cold water to form a fabric softener composition.
    Type: Grant
    Filed: September 19, 1988
    Date of Patent: May 8, 1990
    Assignee: Imperial Chemical Industries PLC
    Inventors: Rudolf W. Sherman, Philip J. Stainer
  • Fabric softeners
    Patent number: 4792409
    Abstract: A cold water dispersible/emulsifible substantially water-free fabric softener liquid concentrates are described. The concentrates are composed of a fatty quaternary ammonium salt which contains at least one long chain alkyl group of 8 to 30 carbon atoms and an oil or substantially water-insoluble compound having oily/fatty properties. The concentrates are capable of being dispersed/emulsified in cold water at a temperature of 5.degree. to 30.degree. C.
    Type: Grant
    Filed: December 16, 1985
    Date of Patent: December 20, 1988
    Assignee: Imperial Chemical Industries PLC
    Inventors: Rudolf W. Sherman, Philip J. Stainer