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:
Mar. 01, 2022
Filed:
Apr. 18, 2018
Applicant:
Badger Licensing Llc, Boston, MA (US);
Inventor:
Christopher Papile, Cambridge, MA (US);
Assignee:
BADGER LICENSING LLC, Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 39/16 (2006.01); B01J 31/00 (2006.01); B01J 31/10 (2006.01); B01J 31/02 (2006.01);
U.S. Cl.
CPC ...
B01J 31/10 (2013.01); B01J 31/0217 (2013.01); B01J 2231/347 (2013.01); C07C 39/16 (2013.01);
Abstract
A catalyst system useful in the production of bisphenol-A comprises (a) an acidic heterogeneous catalyst; (b) a first catalyst promoter comprising at least one organic sulfur-containing compound; and (c) a second catalyst promoter different from the first catalyst promoter and comprising at least one organic Brønsted acidic ionic compound.