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:
Nov. 10, 2015
Filed:
Apr. 25, 2012
Applicants:
Zoha Al-badri, West Grove, PA (US);
Todd S. Bolton, Wilmington, DE (US);
Inventors:
Zoha Al-badri, West Grove, PA (US);
Todd S. Bolton, Wilmington, DE (US);
Assignee:
Solenis Technologies, L.P., , CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21C 9/02 (2006.01); C08G 77/08 (2006.01); C08G 77/14 (2006.01); C08G 77/38 (2006.01); C08G 77/18 (2006.01); C08G 77/46 (2006.01); C08L 83/12 (2006.01); D21H 17/53 (2006.01);
U.S. Cl.
CPC ...
C08G 77/18 (2013.01); C08G 77/46 (2013.01); C08L 83/12 (2013.01); D21C 9/02 (2013.01); D21H 17/53 (2013.01);
Abstract
The present invention relates to a drainage aid composition and its use in pulp washing process. More particulary, this invention relates to drainage aid composition of silicone polyethers prepared via zinc catalized dehydrogenative coupling of alcohol terminated polyethers with silicone oligomers and polymers comprising of at least one silicon bonded hydrogen. The compostion of this invention exhibit excellent drainage properties.