Patents by Inventor Carl E. Schreck

Carl E. Schreck 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).

  • Cockroach repellents
    Patent number: 4675342
    Abstract: A number of novel carboxamides were found to be effective insect repellents and some were found to be highly effective as cockroach repellents.
    Type: Grant
    Filed: April 23, 1986
    Date of Patent: June 23, 1987
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Terrence P. McGovern, Carl E. Schreck, George S. Burden
  • Insect repellents
    Patent number: 4530935
    Abstract: A number of novel carboxamides have been found to be useful insect repellents.
    Type: Grant
    Filed: May 3, 1983
    Date of Patent: July 23, 1985
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Terrence P. McGovern, Carl E. Schreck
  • Insect repellents employing cyclohexane-carbonyl morpholine compounds
    Patent number: 4416881
    Abstract: A number of novel carboxamides have been found to be useful insect repellents.
    Type: Grant
    Filed: March 19, 1981
    Date of Patent: November 22, 1983
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Terrence P. McGovern, Carl E. Schreck
  • Insect repellants
    Patent number: 4382950
    Abstract: A number of novel carboxamides have been found to be useful insect repellents.
    Type: Grant
    Filed: March 19, 1981
    Date of Patent: May 10, 1983
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Terrence P. McGovern, Carl E. Schreck
  • Insect repellants
    Patent number: 4356180
    Abstract: A number of novel carboxamides have been found to be useful insect repellents.
    Type: Grant
    Filed: March 19, 1981
    Date of Patent: October 26, 1982
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Terrence P. McGovern, Carl E. Schreck
  • Insect repellents
    Patent number: 4298612
    Abstract: A number of novel carboxamides have been found to be useful insect repellents.
    Type: Grant
    Filed: May 18, 1979
    Date of Patent: November 3, 1981
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Terrence P. McGovern, Carl E. Schreck
  • Alicyclic piperidine derivatives as insect repellents
    Patent number: 4291041
    Abstract: A number of alicyclic carboxamides of the formula ##STR1## wherein n, R.sup.1, R.sup.2, and R.sup.3 are defined hereinbelow have been found to be useful insect repellents.
    Type: Grant
    Filed: February 2, 1979
    Date of Patent: September 22, 1981
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Terrence P. McGovern, Carl E. Schreck
  • Insect repellents
    Patent number: 4264594
    Abstract: A number of novel carboxamides have been found to be useful insect repellents.
    Type: Grant
    Filed: February 2, 1979
    Date of Patent: April 28, 1981
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Terrence P. McGovern, Carl E. Schreck