Patents by Inventor Adolph Renold

Adolph Renold 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).

  • Technical N-alkyl-1,3-propylene diamine and formulations containing same
    Patent number: 4080162
    Abstract: The odor of technical N-alkyl (C.sub.12 -C.sub.22)-1,3-propylene diamines may be improved by treating the diamine with maleic anhydride. The addition of small amounts of urea and/or sugar to the treated N-alkyl-1,3-propylene diamine further improves the fabric softening properties of the diamines and reduces fabric discoloration.
    Type: Grant
    Filed: November 12, 1976
    Date of Patent: March 21, 1978
    Assignee: Colgate-Palmolive Company
    Inventor: Adolph Renold
  • Topical compositions
    Patent number: 4009254
    Abstract: Skin treatment with a composition containing an unsymmetrical ether of the formula R.sub.1 --o--R.sub.2 wherein R.sub.1 is alkyl or alkenyl of about 8 to 20 carbon atoms and R.sub.2 is C.sub.1-3 alkyl or C.sub.2-3 alkenyl.
    Type: Grant
    Filed: February 25, 1976
    Date of Patent: February 22, 1977
    Assignee: Colgate-Palmolive Company
    Inventor: Adolph Renold
  • Fabric softener compositions containing N-alkyl-1,3-propylene diamine treated with maleic anhydride
    Patent number: 4001123
    Abstract: The odor of technical N-alkyl (C.sub.12 -C.sub.22)-1,3-propylene diamines may be improved by treating the diamine with maleic anhydride. The addition of small amounts of urea and/or sugar to the treated N-alkyl-1,3-propylene diamine further improves the fabric softening properties of the diamines and reduces fabric discoloration.
    Type: Grant
    Filed: April 18, 1975
    Date of Patent: January 4, 1977
    Assignee: Colgate-Palmolive Company
    Inventor: Adolph Renold