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. 29, 2013
Filed:
Apr. 23, 2007
Applicant:
Charles B. Mallon, Hillsborough, NJ (US);
Inventor:
Charles B. Mallon, Hillsborough, NJ (US);
Assignee:
Dow Global Technologies, LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B 11/20 (2006.01); C08B 11/00 (2006.01); A61K 31/717 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for reducing the average molecular weight of a cellulose ether comprises the step of contacting a cellulose ether with an acid to partially depolymerize it to a lower molecular weight in a diluent comprising at least 50 weight percent of an organic hydroxylic compound having at least one hydroxy group and at least two carbon atoms.