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:
May. 15, 2018
Filed:
Dec. 20, 2012
Applicants:
Rohm and Haas Company, Philadelphia, PA (US);
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Daryl J. Gisch, Midland, MI (US);
William I. Harris, Midland, MI (US);
Dennis A. Keeley, Beaverton, MI (US);
Marvin K. Tegen, Midland, MI (US);
Robert J. Olsen, Lansdale, PA (US);
Jose Antonio Trejo-O'Reilly, Lansdale, PA (US);
Assignees:
ROHM AND HAAS COMPANY, Philadelphia, PA (US);
DOW GLOBAL TECHNOLOGIES LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 39/05 (2017.01); B01J 31/06 (2006.01); B01J 39/20 (2006.01); B01J 31/08 (2006.01); B01J 31/10 (2006.01); B01J 31/28 (2006.01);
U.S. Cl.
CPC ...
B01J 31/06 (2013.01); B01J 31/08 (2013.01); B01J 31/10 (2013.01); B01J 31/28 (2013.01); B01J 39/05 (2017.01); B01J 39/20 (2013.01); B01J 2231/321 (2013.01); B01J 2231/349 (2013.01); B01J 2231/49 (2013.01); B01J 2531/824 (2013.01);
Abstract
A catalyst prepared by polymerizing 0-98 weight % butylstyrene; 0-80 weight % vinyl toluene; 1.5-25 weight % divinyl benzene having 1-98 weight % of ethyl vinyl benzene; and 0-80 weight % styrene. Copolymer beads are made, sulfonated, and used as a catalyst.