Patents by Inventor Ronald E. MacLeary

Ronald E. MacLeary 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).

  • Compounds having both peroxy and aliphatic azo groups
    Patent number: 4088642
    Abstract: I. Compounds having independent peroxidic (X) and aliphatic azo groups of the formula[(R-N.dbd.N-R').sub.m -X].sub.nExample: di-t-butylperoxy ester of cis-4,4'-azobis-(4-cyanovaleric acid).Ii. a method of making a block polymer where vinyl monomer is initiated sequentially to produce in one instance: a polymer having azo-carbon linkages present, which is then reacted with vinyl monomer under conditions to rupture the azo-carbon linkages, and in another instance: a polymer having peroxy-carbon linkages present, which is then reacted with vinyl monomer under conditions to rupture the peroxy carbon linkages.
    Type: Grant
    Filed: October 24, 1973
    Date of Patent: May 9, 1978
    Assignee: Pennwalt Corporation
    Inventors: Chester S. Sheppard, Ronald E. MacLeary, Richard A. Bafford