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:
Jun. 15, 1976
Filed:
Jul. 23, 1975
Applicant:
Inventors:
Truman L Ward, New Orleans, LA (US);
Ruth R Benerito, New Orleans, LA (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06M / ; D06M / ;
U.S. Cl.
CPC ...
8120 ; 8129 ; 8DIG / ;
Abstract
Partially Aminoethylated cotton fabric is reacted with either propylene carbonate (4-methyl 1,3 dioxol-2-one) or ethylene carbonate (1,3 dioxol-2-one) with potassium carbonate as catalyst. Reaction is carrid out in a heated vacuum oven. The resultant product has urethane crosslinks and improved wrinkle recovery properties.