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:
Jun. 18, 2019
Filed:
Apr. 05, 2018
Applicant:
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Inventors:
T. Joseph Dennes, Parkesburg, PA (US);
Andrea M. Perticone, Clayton, DE (US);
Jayme L. Paullin, Claymont, DE (US);
Assignee:
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 5/00 (2006.01); C08B 37/00 (2006.01); A61K 8/73 (2006.01); A61Q 11/00 (2006.01); C11D 3/22 (2006.01); C11D 17/00 (2006.01);
U.S. Cl.
CPC ...
C08B 37/0009 (2013.01); A61K 8/73 (2013.01); A61Q 11/00 (2013.01); C08L 5/00 (2013.01); C11D 3/227 (2013.01); C11D 17/003 (2013.01); C11D 17/0008 (2013.01); A61K 2800/48 (2013.01); A61K 2800/5426 (2013.01);
Abstract
Poly alpha-1,3-glucan ether compounds are disclosed herein comprising positively charged organic groups. The degree of substitution of the ether compounds is about 0.05 to about 3.0. Also disclosed are methods of producing poly alpha-1,3-glucan ether compounds having positively charged organic groups, as well as methods of using these ether compounds for increasing the viscosity of a aqueous compositions. Hydrocolloids and aqueous solutions comprising the ether compounds are also disclosed.