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:
Sep. 23, 2014
Filed:
Jun. 08, 2011
Applicant:
Daniel Mark Woiceshyn, Grimsby, CA;
Inventor:
Daniel Mark Woiceshyn, Grimsby, CA;
Assignee:
Imerys Talc America, Inc., Roswell, GA (US);
Primary Examiner:
Int. Cl.
CPC ...
D21H 21/02 (2006.01); D21H 21/00 (2006.01); D21H 17/63 (2006.01); D21H 17/67 (2006.01); D21H 23/24 (2006.01);
U.S. Cl.
CPC ...
D21H 17/67 (2013.01); D21H 21/02 (2013.01);
Abstract
The present invention relates to a process for controlling deposits in a paper making process, more particularly to a process comprising the use of talc for controlling deposits in a paper making process with talc. One aspect of the invention is contacting talc with a white water stream at one or more locations within the paper making process after separating pulp from a pulp-containing stream and before introducing the re-circulating the white water stream to one or more of a pulper, a thick-stock, a thin-stock, a dilution process, a shower, a storage vessel, a blending process, and a digestor.