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. 04, 1980
Filed:
Feb. 26, 1979
Applicant:
Inventor:
Henry V Isaacson, Webster, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
260 4253 ; 260 4243 ;
Abstract
A suspension polymerization process for polymerizing a styrene-containing monomer composition in the presence of untreated carbon black to produce a polymer comprising more than 40 weight percent of styrene moiety is described. The monomer composition comprises at least one styrene monomer having a substituent with a Hammett sigma value more positive than about 0.06.