Patents by Inventor Manjeri S. Raman

Manjeri S. Raman 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).

  • Method of resolving oil-in-water emulsions
    Patent number: 4160742
    Abstract: Use of copolymers of acrylamide and methylacrylamidopropyltrimethylammmonium chloride to deemulsify oil-in-water emulsions especially in waste streams prior to their discharge from petroleum refineries, industrial plants and the like.
    Type: Grant
    Filed: June 15, 1978
    Date of Patent: July 10, 1979
    Assignee: Calgon Corporation
    Inventor: Manjeri S. Raman
  • Polymeric demulsifiers
    Patent number: 4120815
    Abstract: Use of a blend of diallyl dimethyl ammonium chloride emulsion polymers to break oil-in-water emulsions in the waste streams at petroleum refineries, industrial plants and the like.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: October 17, 1978
    Assignee: Calgon Corporation
    Inventor: Manjeri S. Raman