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:
Aug. 29, 1978
Filed:
Feb. 09, 1976
Applicant:
Inventors:
Irving E Isgur, Framingham, MA (US);
Andrew B Holmstrem, Burlington, MA (US);
Norman J Hayes, Bedford, MA (US);
Assignee:
W. R. Grace & Co., Cambridge, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428240 ; 428283 ; 428290 ; 428425 ; 428314 ; 428310 ; 428315 ; 428327 ; 427180 ;
Abstract
The invention disclosed is for a foam sheet fabric prepared using a hydrophilic crosslinked polyurethane component prepared by reacting an isocyanate capped polyoxyethylene polyol reactant with large amounts of an aqueous reactant. The resultant fabrics may be characterized with a broad spectrum of improved properties including improved comfort, moisture control, ease of processing and may contain selective additives such as fibers, fire retardants or the like.