Patents by Inventor Hans-Heinz Schittek

Hans-Heinz Schittek 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).

  • Process for the production of film forming synthetic resins for hair fixatives
    Patent number: 4070320
    Abstract: Process for the production of film forming synthetic resins for hair fixative compositions by reacting a methylolated 5,5-dialkylhydantoin containing 1-5 carbon atoms in each alkyl group at an elevated temperature in the presence of a bifunctional acid amide and/or amine. Hair fixative compositions containing 2-10% by weight of the resin product as the major or sole resin compound.
    Type: Grant
    Filed: September 28, 1976
    Date of Patent: January 24, 1978
    Assignee: Deutsche Texaco Aktiengesellschaft
    Inventors: Hans-Albrecht Meyer-Stoll, Johannes Wollner, Hans-Heinz Schittek
  • Process for the production of film forming synthetic resins for hair fixatives
    Patent number: 4070317
    Abstract: Process for the production of film forming synthetic resins for hair fixative compositions by reacting a methylolated 5,5-dialkylhydantoin containing 1-5 carbon atoms in each alkyl group at an elevated temperature in the presence of a bifunctional acid amide and/or amine. Hair fixative compositions containing 2-10% by weight of the resin product as the major or sole resin compound.
    Type: Grant
    Filed: September 28, 1976
    Date of Patent: January 24, 1978
    Assignee: Deutsche Texaco Aktiengesellschaft
    Inventors: Hans-Albrecht Meyer-Stoll, Johannes Wollner, Hans-Heinz Schittek
  • Process for the production of film forming synthetic resins for hair fixatives
    Patent number: 4035432
    Abstract: Process for the production of film forming synthetic resins for hair fixative compositions by reacting a methylolated 5,5-dialkylhydantoin containing 1-5 carbon atoms in each alkyl group at an elevated temperature in the presence of a bifunctional acid amide and/or amine. Hair fixative compositions containing 2-10% by weight of the resin product as the major or sole resin compound.
    Type: Grant
    Filed: September 28, 1976
    Date of Patent: July 12, 1977
    Assignee: Deutsche Texaco Aktiengesellschaft
    Inventors: Hans-Albrecht Meyer-Stoll, Johannes Wollner, Hans-Heinz Schittek
  • Process for the production of film forming synthetic resins for hair fixatives
    Patent number: 4035339
    Abstract: Process for the production of film forming synthetic resins for hair fixative compositions by reacting a methylolated 5,5-dialkylhydantoin containing 1-5 carbon atoms in each alkyl group at an elevated temperature in the presence of a bifunctional acid amide and/or amine. Hair fixative compositions containing 2-10% by weight of the resin product as the major or sole resin compound.
    Type: Grant
    Filed: September 28, 1976
    Date of Patent: July 12, 1977
    Assignee: Deutsche Texaco Aktiengesellschaft
    Inventors: Hans-Albrecht Meyer-Stoll, Johannes Wollner, Hans-Heinz Schittek
  • Process for the production of film forming synthetic resins for hair fixatives
    Patent number: 4035327
    Abstract: Process for the production of film forming synthetic resins for hair fixative compositions by reacting a methylolated 5,5-dialkylhydantoin containing 1-5 carbon atoms in each alkyl group at an elevated temperature in the presence of a bifunctional acid amide and/or amine. Hair fixative compositions containing 2-10% by weight of the resin product as the major or sole resin compound.This is a division of application Ser. No. 263,517, filed June 16, 1972, now Pat. No. 3,987,010.
    Type: Grant
    Filed: September 28, 1976
    Date of Patent: July 12, 1977
    Assignee: Deutsche Texaco Aktiengesellschaft
    Inventors: Hans-Albrecht Meyer-Stoll, Johannes Wollner, Hans-Heinz Schittek
  • Process for the production of film forming synthetic resins for hair fixatives
    Patent number: 4035326
    Abstract: Process for the production of film forming synthetic resins for hair fixative compositions by reacting a methylolated 5,5-dialkylhydantoin containing 1-5 carbon atoms in each alkyl group at an elevated temperature in the presence of a bifunctional acid amide and/or amine. Hair fixative compositions containing 2-10% by weight of the resin product as the major or sole resin compound.
    Type: Grant
    Filed: September 28, 1976
    Date of Patent: July 12, 1977
    Assignee: Deutsche Texaco Aktiengesellschaft
    Inventors: Hans-Albrecht Meyer-Stoll, Johannes Wollner, Hans-Heinz Schittek
  • Process for the production of film forming synthetic resins for hair fixatives
    Patent number: 4035358
    Abstract: Process for the production of film forming synthetic resins for hair fixative compositions by reacting a methylolated 5,5-dialkylhydantoin containing 1-5 carbon atoms in each alkyl group at an elevated temperature in the presence of a bifunctional acid amide and/or amine. Hair fixative compositions containing 2-10% by weight of the resin product as the major or sole resin compound.
    Type: Grant
    Filed: September 28, 1976
    Date of Patent: July 12, 1977
    Assignee: Deutsche Texaco Aktiengesellschaft
    Inventors: Hans-Albrecht Meyer-Stoll, Johannes Wollner, Hans-Heinz Schittek
  • Process for the production of film forming synthetic resins for hair fixatives
    Patent number: 3987010
    Abstract: Process for the production of film forming synthetic resins for hair fixative compositions by reacting a methylolated 5,5-dialkylhydantoin containing 1-5 carbon atoms in each alkyl group at an elevated temperature in the presence of a bifunctional acid amide and/or amine. Hair fixative compositions containing 2-10% by weight of the resin product as the major or sole resin compound.
    Type: Grant
    Filed: June 16, 1972
    Date of Patent: October 19, 1976
    Assignee: Deutsche Texaco Aktiengesellschaft
    Inventors: Hans-Albrecht Meyer-Stoll, Johannes Wollner, Hans-Heinz Schittek