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:
Oct. 01, 2019
Filed:
Mar. 28, 2016
Applicant:
Rohm and Haas Company, Collegeville, PA (US);
Inventors:
John C. Rohanna, Royersford, PA (US);
Alfred K. Schultz, Maple Glen, PA (US);
Assignee:
ROHM AND HAAS COMPANY, Collegeville, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/36 (2006.01); C01B 17/90 (2006.01); C08K 3/04 (2006.01); C08L 33/20 (2006.01);
U.S. Cl.
CPC ...
C08F 8/36 (2013.01); C01B 17/905 (2013.01); C08K 3/04 (2013.01); C08L 33/20 (2013.01);
Abstract
Provided is a method for reacting a resin with sulfuric acid comprising the step of heating a reaction mixture to a temperature of 80° C. or higher, wherein said reaction mixture comprises