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. 18, 2025
Filed:
Dec. 03, 2019
Applicant:
Specialty Operations France, Lyons, FR;
Inventors:
Rodolphe Sapey-Triomphe, Sérézin-du-Rhône, FR;
Lars Fischer, Vienne, FR;
David Vanzin, Franklin, TN (US);
Assignee:
SPECIALTY OPERATIONS FRANCE, Lyons, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 2/02 (2006.01); B01J 2/20 (2006.01); C07C 39/08 (2006.01);
U.S. Cl.
CPC ...
B01J 2/20 (2013.01); B01J 2/02 (2013.01); C07C 39/08 (2013.01);
Abstract
The present invention relates to new lightly colored prills of hydroquinone. More particularly, the invention provides a new method for preparing said lightly colored prills of hydroquinone. The invention also relates to said prills of hydroquinone obtained by said new method.