Patents by Inventor David A. Brewster

David A. Brewster 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).

  • Cosmetic composition
    Patent number: 7264797
    Abstract: A composition comprising an antiperspirant or deodorant active and which is substantially free of alcohol and has a viscosity of less than 100 centipoise and a contact angle less than 90°. A product comprising the composition marketed in a porous dome applicator.
    Type: Grant
    Filed: December 29, 2003
    Date of Patent: September 4, 2007
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Liang Bin Chen, David A. Brewster
  • Clear cosmetic sticks with compatible fragrance components
    Patent number: 5198218
    Abstract: A clear gel composition is provided which includes a polyhydric alcohol, a soap, an alkoxylate copolymer and a fragrance. For purposes of maintaining clarity, the fragrance will contain at most 25% of total ester compounds by weight of the fragrance.
    Type: Grant
    Filed: March 11, 1992
    Date of Patent: March 30, 1993
    Assignee: Chesebrough-Pond's USA Co., Division of Conopco, Inc.
    Inventors: Matthew Kuznitz, David A. Brewster, Joseph R. Faryniarz, Lewis Cancro, Hifzur R. Ansari
  • Clear cosmetic sticks
    Patent number: 5128123
    Abstract: A clear cosmetic stick is provided whose composition includes from about 10 to 90% of a polyhydric alcohol, from about 1 to about 40% of a soap, from about 1 to about 40% of an alkoxylate copolymer having the formula:[A--CH.sub.2 CH.sub.2 --A].sub.f [(C.sub.2 H.sub.4 O).sub.a (C.sub.3 H.sub.6 O).sub.b (C.sub.2 H.sub.4 O).sub.c (C.sub.3 H.sub.6 O).sub.d ].sub.e [H].sub.gwhereinA is nitrogen;a, b, c and d are independently selected integers ranging from 0 to 200 with the proviso that the sum of a, b, c and d is at least about 50;e is an integer from 1 to 4;f is an integer from 0 to 1-;g is an integer from 0 to 4;and a clarifying agent which is a basic amine present in an effective amount to maintain stick clarity.
    Type: Grant
    Filed: February 8, 1991
    Date of Patent: July 7, 1992
    Assignee: Chesebrough-Pond's USA Co., Division of Conopco, Inc.
    Inventors: David A. Brewster, Matthew Kuznitz, Joseph R. Faryniarz
  • Clear cosmetic sticks with compatible fragrance components
    Patent number: 5114717
    Abstract: A clear gel composition is provided which includes a polyhydric alcohol, a soap, an alkoxylate copolymer and a fragrance. For purposes of maintaining clarity, the fragrance will contain at most 25% of total ester compounds by weight of the fragrance.
    Type: Grant
    Filed: February 8, 1991
    Date of Patent: May 19, 1992
    Assignee: Chesebrough-Pond's USA Co., Division of Conopco, Inc.
    Inventors: Matthew Kuznitz, David A. Brewster, Joseph R. Faryniarz, Lewis Cancro