Patents by Inventor Keith William Peter White

Keith William Peter White 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).

  • Patent number: 6158491
    Abstract: A process for the corrosion protection of copper or copper alloy which process comprises contacting the surface with an aqueous solution of at least one compound of general formula (I), wherein X is N, Y is CR and Z is N, or X is N, Y is N and Z is N or CR or X is CR, Y is N and Z is N, where R is a hydrogen atom or R.sup.1, and R.sup.1 is an alkyl, aryl, aralkyl, halogen, trihalomethyl, amino, heterocyclic, NHR.sup.2, NR.sup.3 R.sup.4, CN, CO.sub.2 H, CO.sub.2 R.sup.5, OH or OR.sup.6 group, where each of R.sup.2 to R.sup.6 independently represents an alkyl, aryl, or aralkyl group.
    Type: Grant
    Filed: August 28, 1997
    Date of Patent: December 12, 2000
    Assignee: Cookson Group PLC
    Inventors: John Reynolds, Andrew McIntosh Soutar, Keith William Peter White, Anthony Williams