Patents by Inventor Kathleen J. Primes

Kathleen J. Primes 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).

  • Divalent hapten derivatives
    Patent number: 5336621
    Abstract: Divalent hapten derivatives wherein two hapten moieties are connected by means of a bifunctional spacer wherein the derivative has the formulaA--X--Awhere A is a bonded hapten moiety and X is a bifunctional spacer having the formula(B).sub.m --Y--(CH.sub.2).sub.n --Z--(CH.sub.2).sub.n --Y--(B).sub.mwhere m is independently 0 or 1, B is (CH.sub.2).sub.n', wherein n' is an integer from 1 to 4, or CO(CH.sub.2).sub.n", wherein n" is an integer from 2 or 4; Y is independently --CONH--, --NHCO--, --OOC, --COO--, --O--, --S--, or --NR--, wherein R is hydrogen or alkyl; n is an integer from 1 to 10; and Z is an organic moiety containing at least one hydrophilic atom, useful for the determination of haptens by immunochemical techniques are disclosed.
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: August 9, 1994
    Assignee: Hoechst Celanese Corporation
    Inventors: Kathleen J. Primes, Gerald F. Sigler, Gerd Grenner, Wolfgang Kapmeyer
  • Divalent hapten derivatives
    Patent number: 4760142
    Abstract: Divalent hapten derivatives wherein two hapten moieties are connected by means of a bifunctional spacer wherein the derivative has the formulaA--X--Awhere A is a bonded hapten moiety and X is a bifunctional spacer having the formula(B).sub.m --Y--(CH.sub.2).sub.n --Z--(CH.sub.2).sub.n --Y--(B).sub.mwhere m is independently 0 or 1, B is (CH.sub.2).sub.n', wherein n' is an integer from 1 to 4, or CO(CH.sub.2).sub.n", wherein n" is an integer from 2 to 4; Y is independently --CONH--, NHCO--, OOC--, --COO--, --O--, --S--, or --NR--, wherein R is hydrogen or alkyl; n is an integer from 1 to 10; and Z is an organic moiety containing at least one hydrophilic atom are disclosed.
    Type: Grant
    Filed: July 6, 1987
    Date of Patent: July 26, 1988
    Assignee: Hoechst Celanese Corporation
    Inventors: Kathleen J. Primes, Gerald F. Sigler, Gerd Grenner, Wolfgang Kapmeyer