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:
Feb. 26, 2019
Filed:
Mar. 08, 2016
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Oliver Petermann, Hamburg, DE;
Matthias Knarr, Nienburg/Weser, DE;
Robert B. Appell, Midland, MI (US);
Assignee:
DOW GLOBAL TECHNOLOGIES LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/48 (2006.01); A61K 47/38 (2006.01); C08B 11/20 (2006.01); C08B 13/00 (2006.01); A23L 33/125 (2016.01);
U.S. Cl.
CPC ...
C08B 13/00 (2013.01); A23L 33/125 (2016.08); A61K 9/4816 (2013.01); A61K 9/4866 (2013.01); A61K 47/38 (2013.01); C08B 11/20 (2013.01); A23V 2002/00 (2013.01);
Abstract
An esterified cellulose ether comprising aliphatic monovalent acyl groups and groups of the formula —C(O)—R—COOH, R being a divalent hydrocarbon group, has the following properties: i) the degree of neutralization of the groups —C(O)—R—COOH is not more than 0.4, ii) the total degree of ester substitution is from 0.10 to 0.70, and iii) the esterified cellulose ether has a solubility in water of at least 2.0 weight percent at 2 C.