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:
Dec. 18, 2000
Filed:
Feb. 21, 2000
Applicant:
Inventors:
Christina Northfleet, Brussels, BE;
Franck Renauld, Chaumont Gistoux, BE;
Assignee:
Dow Corning S.A., Seneffe, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H / ; D21H / ; B01D / ; C09K / ;
U.S. Cl.
CPC ...
1621644 ; 162158 ; 516123 ; 516124 ; 516132 ; 516133 ; 516134 ; 516130 ;
Abstract
A method for restricting air entrapment in white water of a paper making process is described, which comprises adding to said white water a polysiloxane having an Si--C bonded substituent with at least one ether or alcohol oxygen. Preferably certain siloxane oxyalkylene copolymers or certain siloxane oxyalcohols are used.