Patents Assigned to Charles of the Ritz Group Ltd.
  • Substantive moisturizing derivatives of 2-pyrrolidone-5-carboxylic acid and compositions containing same
    Patent number: 4452989
    Abstract: Derivatives of 2-pyrrolidone-5-carboxylic acid having excellent moisturizing properties are provided which have the structure ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and are lower alkyl and aralkyl and n is 1 to 8 and including cationic salts thereof such as the pyrrolidone carboxylic acid salt thereof. These compounds are useful as moisturizing agents.Cosmetics, shampoos, hair conditioners and skin toners containing such compounds are also provided.
    Type: Grant
    Filed: June 1, 1982
    Date of Patent: June 5, 1984
    Assignee: Charles of the Ritz Group Ltd.
    Inventors: George E. Deckner, Hedwig O'Grady, Albert Zofchak
  • Combined allantoin-hydrolyzed animal protein skin preparation
    Patent number: 4416873
    Abstract: A stable form of allantoin is provided which takes the form of a combined allantoin-hydrolyzed animal protein product which may be employed in the form of a hydroalcoholic solution, such as a cologne, after-shave lotion or skin toner, containing at least about 0.5% by weight allantoin which remains in solution, without crystallizing out, over extended periods of time.Methods for increasing the stability of allantoin and for forming a stable form of allantoin are also provided.
    Type: Grant
    Filed: December 13, 1982
    Date of Patent: November 22, 1983
    Assignee: Charles of the Ritz Group Ltd.
    Inventors: Eugene Puchalski, Frances A. Donahue, Richard P. Dixon
  • Combined allantoin-hydrolyzed animal protein product and method
    Patent number: 4374766
    Abstract: A stable form of allantoin is provided which takes the form of a combined allantoin-hydrolyzed animal protein product which may be employed in the form of a hydroalcoholic solution, such as a cologne, after-shave lotion or skin toner, containing at least about 0.5% by weight allantoin which remains in solution, without crystallizing out, over extended periods of time.Methods for increasing the stability of allantoin and for forming a stable form of allantoin are also provided.
    Type: Grant
    Filed: June 1, 1982
    Date of Patent: February 22, 1983
    Assignee: Charles of the Ritz Group Ltd.
    Inventors: Eugene Puchalski, Frances A. Donahue, Richard P. Dixon
  • Combined bottle and cap
    Patent number: D261107
    Type: Grant
    Filed: October 12, 1979
    Date of Patent: October 6, 1981
    Assignee: Charles of the Ritz Group Ltd.
    Inventor: Ned Harris
  • Combined bottle and cap
    Patent number: D261108
    Type: Grant
    Filed: October 12, 1979
    Date of Patent: October 6, 1981
    Assignee: Charles of the Ritz Group Ltd.
    Inventor: Ned Harris