Patents Examined by William E. Schultz
  • Solvent-free capsules and fabric conditioning compositions containing same
    Patent number: 4081384
    Abstract: A substantially organic solvent-free capsule contains an inner core of a fabric antistat/softener material and an outer wall of a polycondensation product formed by interfacial polymerization. A liquid fabric conditioning composition containing the aforementioned capsules possesses desirable softening and antistat properties.
    Type: Grant
    Filed: April 8, 1976
    Date of Patent: March 28, 1978
    Assignee: The Proctor & Gamble Company
    Inventor: Hans J. Pracht