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:
Feb. 10, 1998
Filed:
May. 07, 1997
Applicant:
Inventors:
Dominic Wai-Kwing Yeung, Mississauga, CA;
Richard Edward Rice, Mississauga, CA;
Assignee:
Rhone-Poulenc Inc., Cranbury, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428511 ; 4289044 ;
Abstract
A wallcovering material comprising a substrate having a water remoistenable adhesive on at least one of its surfaces, said adhesive comprising a composition which is a mixture of: (1) an aqueous emulsion including an acidic polymer which is capable of swelling when in contact with an alkaline material; and (2) an alkaline material; wherein said composition has a viscosity of less than about 10000 cps at 25.degree. C. and wherein said composition provides adhesive properties is provided.