The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 09, 1976
Filed:
Aug. 12, 1974
Applicant:
Inventors:
Samuel C Temin, Needham, MA (US);
Mildred C Richards, Wakefield, MA (US);
Assignee:
The Kendall Company, Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
260 4215 ; 260 4229 ; 260 4252 ; 26099811 ;
Abstract
Dental compositions having improved color stability are prepared by employing a redox catalyst system consisting of a hydroperoxide oxidizing agent and a substituted thiourea reducing agent. The composition also comprises a methacrylate monomer, and optionally, a filler and a coupling agent.