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:
Mar. 30, 2004
Filed:
May. 21, 2001
Applicant:
Inventors:
Amba Ayambem, East Amherst, NY (US);
Richard E. Smith, Williamsville, NY (US);
Salvatore Taravella, North Tonawanda, NY (US);
Assignee:
National Gypsum Properties, LLC., Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ; C09D / ; C09D 7/12 ;
U.S. Cl.
CPC ...
C09D / ; C09D / ; C09D 7/12 ;
Abstract
A pre-blend composition for preparation of joint compound including water, a cellulose ether thickener, and about 19% or less by weight of a salt selected from the group consisting of potassium carbonate, potassium sulfate, sodium acetate, and mixtures thereof, wherein the composition is essentially free of alumina, is disclosed.