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:
Jan. 10, 1989
Filed:
Jun. 08, 1987
Applicant:
Inventors:
Gary D Andrew, Walnutport, PA (US);
Edward A Galla, Macungie, PA (US);
Robert L Ricci, Allentown, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
264 464 ; 36 28 ; 264 54 ; 264244 ; 521107 ; 521168 ;
Abstract
To prevent the staining of a nitrocellulose coated shoe upper by a polyurethane shoe sole prepared from a mixture comprising a polyisocyanate, a polyol, a chain extender, a tertiary amine catalyst, a surfactant and water, an effective amount of a reactive organic halogen compound, preferably a halogenated fire retardant, is added.
Andrew, Gary. (1989). Composition and method for preventing the staining of nitrocellulose (U.S. Patent No. 4797240). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4797240
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile