Patents by Inventor Richard William Neuzil, Jr.

Richard William Neuzil, Jr. 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).

  • Internal mold release compositions containing phosphate esters
    Patent number: 5962561
    Abstract: Internal mold release compositions for molding polyurethane and polythiourethane is disclosed herein. The composition includes a mixture of: (a) a mono C.sub.2 -C.sub.6 alkyl phosphate; (b) a di C.sub.2 -C.sub.6 alkyl phosphate, wherein the alkyl groups of the di-alkyl phosphate may be the same or different, and wherein the alkyl groups of the mono- and di-alkyl phosphate may be the same or different; and (c) a C.sub.7 -C.sub.18 mono- and/or di-alkyl phosphate. Also disclosed is a polymerizable composition which includes (a) one or more monomers containing two or more isocyanate groups; (b) one or more monomers containing two or more functional groups selected from a thiol group and a hydroxyl group; (c) a mixture of a mono- C.sub.2 -C.sub.6 alkyl phosphate and a di- C.sub.2 -C.sub.6 alkyl phosphate, wherein the alkyl groups of the di-alkyl phosphate may be the same or different and wherein the alkyl groups of the mono- and di-alkyl phosphate mixture may be the same or different, wherein the mono- C.sub.2 -C.
    Type: Grant
    Filed: December 8, 1998
    Date of Patent: October 5, 1999
    Assignee: Essilor International (Compagnie Generale d'Optique)
    Inventors: Yassin Yusef Turshani, Richard William Neuzil, Jr., Joseph Boryslawski