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:
Aug. 06, 1991
Filed:
Mar. 29, 1990
Applicant:
Inventors:
Assignee:
J. M. Huber Corporation, Rumson, NJ (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21C / ; D21H / ;
U.S. Cl.
CPC ...
1621812 ; 1621814 ; 1621815 ; 1621818 ; 162199 ; 162D / ;
Abstract
Kaolin clay treated with 0.5 to 1.5 wt. % of aluminum chlorohydrate or a double hydroxide of aluminum and magnesium are an effective pitch adsorption agent for use in paper making processes.
Hyder, Walter. (1991). Aluminum chlorohydrate or hydrotalcite treated kaolin clays for pitch (U.S. Patent No. 5037508). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5037508
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile