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:
Dec. 11, 2007
Filed:
Jun. 27, 2003
Larry Wayne Mobley, Cohutta, GA (US);
Ramki Subramanian, Pearland, TX (US);
Kenneth W. Skaggs, Lake Jackson, TX (US);
Weijun Zhou, Houston, TX (US);
Debkumar Bhattacharjee, Lake Jackson, TX (US);
Roger Moore, San Antonio, TX (US);
Larry Wayne Mobley, Cohutta, GA (US);
Ramki Subramanian, Pearland, TX (US);
Kenneth W. Skaggs, Lake Jackson, TX (US);
Weijun Zhou, Houston, TX (US);
Debkumar Bhattacharjee, Lake Jackson, TX (US);
Roger Moore, San Antonio, TX (US);
Dow Global Technologies Inc., Midland, MI (US);
Abstract
A synthetic leather is made by a impregnating a non-woven or woven textile with an aqueous polyurethane dispersion comprised of a nonionizable polyurethane and an external stabilizing surfactant. The impregnated textile is then exposed to water containing a coagulant for a coagulation time sufficient to coagulate the dispersion. The method may be used to form a synthetic leather having excellent wet ply adhesion and may contain an insoluble multivalent cation organic acid.