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:
Jul. 20, 1999
Filed:
Jun. 06, 1997
Applicant:
Inventors:
Michael A Hubbard, Somerset, NJ (US);
James A McCaulley, Clinton, NJ (US);
Steven F Nielsen, Charlotte, NC (US);
Assignee:
Hoechst Trespaphan GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ; B32B / ;
U.S. Cl.
CPC ...
428 345 ; 4283077 ; 4283073 ; 4283166 ; 428324 ; 428331 ; 428363 ; 428454 ;
Abstract
A vapor barrier coating solution for polymeric articles is provided which contains a selected layered silicate dispersed in a cationic aqueous metal polysilicate, wherein the weight fraction layered silicate of total inorganic solids in the dry coating ranges from above 0 to about 99 percent. Preferably the layered silicate is vermiculite and the polysilicate is lithium polysilicate. Methods for producing and using this coating solution are also included.