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:
Jan. 17, 1995
Filed:
Apr. 13, 1990
Applicant:
Inventor:
Thomas J Podlas, Hockessin, DE (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
1061972 ;
Abstract
Sodium carboxymethylcellulose (CMC) with a D.S. between 0.35 and 0.75 and D.P. between 200 and 4000 serves as a swelling agent and can replace clay and/or mica in a joint compound formulation when used in an amount of 0.01 to 0.5% by weight.