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. 03, 1998
Filed:
Nov. 01, 1996
Applicant:
Inventors:
Philip L Robinson, Isle of Palms, SC (US);
Ramazan Benrashid, Mt. Pleasant, SC (US);
Assignee:
Westvaco Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162159 ; 162123 ; 162135 ; 162165 ; 1621812 ; 1621815 ; 428531 ; 428921 ;
Abstract
The invention relates to an improvement in the art of making saturating kraft paper. In particular, the invention relates to a method for enhancing the fire-retardancy of saturating kraft paper containing alumina trihydrate and phenolic resin by including sodium borate into the paper. The improved saturating kraft is particularly useful in the production of fire-retardant high-pressure laminated materials.