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. 03, 1985
Filed:
Jan. 20, 1983
Applicant:
Inventor:
John Hurst, London, GB;
Assignee:
W. R. Grace Limited, London, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428407 ; 427222 ; 428489 ; 521 57 ;
Abstract
An insulating material in the form of a body comprising expanded plastics beads which are each encapsulated in bitumen or a bituminous compound which is free from solvents, light oils, emulsifiers or other liquifying agents, such encapsulation having been formed by a hot process, the encapsulated beads having been subsequently pressed together and distorted to form a body with voids between the beads substantially eliminated.