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:
Sep. 06, 1977
Filed:
Jan. 07, 1976
Applicant:
Inventor:
John A Hart, South March, CA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428311 ; 2-2 ; 55DI / ; 55387 ; 55524 ; 210525 ; 427244 ; 4273 / ; 428323 ; 428408 ; 428425 ;
Abstract
An air and water vapor permeable open cell solid resin foam resistant to passage therethrough of noxious chemicals in liquid or vapor form said foam having dispersed therein a particulate adsorbent material for said noxious chemicals said particulate adsorbent material being bonded in said foam by an organic binder which is substantially free from substances which substantially deactivate the adsorbent.