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.:

US 6902821 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 07, 2005

Filed:

Jan. 07, 2003
Applicants:

Gopalakrishnan Sethuraman, Charlotte, NC (US);

W. Roy Burke, Tonawanda, NY (US);

Amba Ayambem, Suwanee, GA (US);

Richard J. Romanek, Buffalo, NY (US);

Inventors:

Gopalakrishnan Sethuraman, Charlotte, NC (US);

W. Roy Burke, Tonawanda, NY (US);

Amba Ayambem, Suwanee, GA (US);

Richard J. Romanek, Buffalo, NY (US);

Assignee:

National Gypsum Properties, LLC, Charlotte, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B011/11 ; C04B016/02 ; C04B024/06 ; C04B024/26 ;
U.S. Cl.
CPC ...
Abstract

Gypsum wallboard compositions are disclosed which contain functionalized styrene butadiene latex polymers. Methods for the use of the compositions in the manufacture of wallboard panels and sheets is presented.


Find Patent Forward Citations

Sethuraman, Gopalakrishnan. (2005). Methods of preparing gypsum wallboards containing styrene butadiene latex additive (U.S. Patent No. 6902821). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6902821

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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