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. 15, 2013
Filed:
Jun. 27, 2007
Applicant:
Jean-claude Le Thiesse, Saint-Etienne, FR;
Inventor:
Jean-Claude Le Thiesse, Saint-Etienne, FR;
Assignee:
Rhodia Operations, Aubervilliers, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); C07C 37/68 (2006.01); C07C 39/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Novel hydroquinone flakes are prepared from a powder thereof, by, if necessary, melting the hydroquinone powder, depositing the hydroquinone in the liquid state as a film on a support made of a material or coated with a material which conducts heat, solidifying the hydroquinone by adjusting the support to an appropriate temperature, and recovering the solidified product in the form of flakes.