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. 22, 1986
Filed:
Dec. 05, 1983
Applicant:
Inventors:
Paul A Fertell, Wilmington, NJ (US);
John McCartney, Chester, PA (US);
Giandaniele Robbiati, Milan, IT;
Assignee:
Steon Company, Newark, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
4284234 ; 427341 ; 427389 ; 428473 ; 428904 ;
Abstract
A method of preparing an impregnated leather composite is provided. A low density leather sheet is impregnated with an aqueous ionic dispersion of a polyurethane polymer. The polyurethane polymer which is impregnated in the leather sheet is ionically coagulated from the dispersion. The impregnate is dried to form an impregnated leather composition.