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:
Nov. 28, 2000
Filed:
Mar. 20, 1998
Applicant:
Inventors:
Fred Robert Radwanski, Roswell, GA (US);
Henry Skoog, Roswell, GA (US);
Terry Ray Cleveland, Woodstock, GA (US);
Phillip Sherman Warren, Roswell, GA (US);
William Francis Cartwright, Roswell, GA (US);
Assignee:
Kimberly-Clark Worldwide, Inc., Neenah, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
442153 ; 442139 ; 442140 ; 442141 ; 442142 ; 442143 ; 442144 ; 442145 ; 442146 ; 442147 ; 442165 ; 442171 ; 442400 ; 442401 ; 442414 ;
Abstract
A flame retardant composition for treating a high pulp content nonwoven web is provided. The flame retardant composition includes soluble solids formed from inorganic salts, such as ammonium polyphosphate and sulfur. The TGA range of such soluble solids is from about 175.degree. C. to about 370.degree. C. The flame retardant composition may be continuously and uniformly applied to the high pulp content nonwoven web by a non-compressive process.