Peroxide Contains Halogen Atom Chemically Combined Therein Patents (Class 526/231)
  • Initiator for anaerobic compositions
    Patent number: 4007323
    Abstract: An initiator, particularly useful for anaerobic compositions and replacing the commonly used hydroperoxides, having the formula ##STR1## In a preferred embodiment, R is a lower alkyl group, and R' is hydrogen and Q is a hydroxyl group.
    Type: Grant
    Filed: October 28, 1975
    Date of Patent: February 8, 1977
    Assignee: Loctite Corporation
    Inventor: Bernard Miles Malofsky
  • Crosslinked vinyl acetate-maleic anhydride heteropolymers and derivatives prepared from them
    Patent number: 3956244
    Abstract: Novel crosslinked heteropolymers of vinyl acetate and maleic anhydride are provided which are useful as aqueous thickeners for aqueous formulations such as cosmetics and latex paints. Ester and amide derivatives of the combined maleic anhydride portion of the heteropolymer are also provided. The process for preparing the crosslinked heteropolymers comprises adding a maleic anhydride monomer, and crosslinking agent monomer, and catalyst in controlled amounts to a monomer solution of vinyl acetate.
    Type: Grant
    Filed: December 24, 1974
    Date of Patent: May 11, 1976
    Assignee: N L Industries, Inc.
    Inventors: William G. Carpenter, Daniel F. Herman, Rudolph J. Berndlmaier