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. 13, 2026
Filed:
Nov. 12, 2020
Applicant:
Badger Licensing Llc, Boston, MA (US);
Inventors:
Mariam Salazar Rodriguez, Braintree, MA (US);
Chung-Ming Chi, Needham, MA (US);
Assignee:
BADGER LICENSING LLC, Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 31/02 (2006.01); B01J 21/08 (2006.01); B01J 35/80 (2024.01); C07C 37/20 (2006.01);
U.S. Cl.
CPC ...
B01J 31/0225 (2013.01); B01J 21/08 (2013.01); B01J 31/0217 (2013.01); B01J 35/80 (2024.01); C07C 37/20 (2013.01); B01J 2231/4288 (2013.01); B01J 2531/007 (2013.01);
Abstract
Described is a catalyst system useful in the production of bisphenol-A comprises (a) an acidic heterogeneous catalyst comprising amorphous silica having organosulfonic acid groups chemically bonded thereto, wherein the catalyst has a pKa value of 3.5 or less; and (b) a catalyst promoter comprising at least one organic sulfur-containing compound.
Rodriguez, Mariam. (2026). Catalyst system and process for producing bisphenol-a (U.S. Patent No. 12758954). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12758954
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile