Patents Examined by Raymond C. Johnson
  • Patent number: 4169905
    Abstract: A process for lubricating textile threads by treatment in an aqueous bath containing a lubricating agent is disclosed which comprises the steps of:(a) impregnating bobbins of the textile thread with an aqueous bath liquid containing dispersed therein an amount of from about 6 to about 20%, by weight, of at least one organosilicon polymer lubricating agent;(b) removing the impregnated bobbins of thread from the bath liquid;(c) removing from the impregnated bobbins such an amount of adhering bath liquid that the resulting moist bobbins of thread retain only an amount of from about 25 to about 70%, by weight, of the bath liquid relative to the weight of the dry thead; and,(d) drying the moist bobbins of thread sufficiently to substantially remove their absorbed water content.The process may be effected at ambient temperature in a dyeing apparatus directly subsequent to a dyeing procedure.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: October 2, 1979
    Assignee: Rhone-Poulenc Industries
    Inventors: Jean-Claude Delaval, Joseph Stagnetto
  • Patent number: 4148940
    Abstract: Improved methods are disclosed for depositing metal oxide films from coating compositions containing dehydrated cobaltous acetylacetonate.
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: April 10, 1979
    Assignee: PPG Industries, Inc.
    Inventors: J. Shannon Breininger, Charles B. Greenberg