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:
Jul. 25, 2023
Filed:
Dec. 15, 2020
Applicant:
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Inventors:
Lucas Dos Santos Freire, Pittsburgh, PA (US);
Sik Boen, Moseley, VA (US);
Nathan J. Silvernail, Mars, PA (US);
Assignee:
PPG Industries Ohio, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/36 (2006.01); C08K 5/548 (2006.01); C08L 21/00 (2006.01);
U.S. Cl.
CPC ...
C08K 3/36 (2013.01); C08K 5/548 (2013.01); C08L 21/00 (2013.01);
Abstract
Provided is a method for preparing a modified filler. The method includes in sequence providing an acidified aqueous slurry of an untreated inorganic filler which has not been previously dried; an emulsifier material; and a hydrophobating agent having the following structural formula (I):RM-X  (I)wherein: