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:
Jul. 10, 2018
Filed:
Apr. 05, 2017
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Assignee:
Rhodia Operations, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/87 (2006.01); C07C 47/58 (2006.01); B01D 3/00 (2006.01);
U.S. Cl.
CPC ...
C07C 47/58 (2013.01);
Abstract
The invention relates to a natural vanillin, which is in the form of an amorphous solid of which the color, in ethanolic solution at 10% by weight, is less than or equal to 200 Hazen, preferably less than or equal to 100 Hazen.