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. 13, 1990
Filed:
Sep. 26, 1988
Applicant:
Inventors:
Assignee:
National Starch and Chemical Corp., Bridgewater, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B42D / ; B42B / ; B42L / ;
U.S. Cl.
CPC ...
281 151 ; 281 211 ; 281 36 ; 281 51 ; 412-8 ; 412 25 ; 156908 ;
Abstract
Rounded, hard covered books are bound using a specific class of low viscosity reactive urethane hot melt adhesive compositions which provide a coating which will remain sufficiently flexible and thermoplastic so as to be capable of accepting and maintaining the rounded configuration even after extended periods of storage.