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. 21, 1995
Filed:
Sep. 30, 1993
Applicant:
Inventor:
Thomas I Bair, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 74 ; 428 76 ; 428102 ; 428195 ; 428219 ; 428220 ; 210924 ; 2105021 ;
Abstract
An oil-absorbing article has longitudinal channels that surround a layer of polyester or polyolefin fiber balls with a porous outer fabric. The channels are 1 to 4 cm wide and 0.8 to 1.4 cm thick. The article absorbs oil amounting to at least six times its dry weight and can be re-used at least five times.