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:
Apr. 07, 1981
Filed:
Feb. 25, 1980
Applicant:
Inventor:
James L Thomas, Hamilton Sq., NJ (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
1062 / ; 208 44 ; 260 / ;
Abstract
A bituminous binder, useful in the production of form coke, is obtained by reacting kiln tar recovered from a form coke oven with formaldehyde in the presence of a mineral base until the ASTM Ring and Ball softening point is at least about 58.degree. C. Calcium hydroxide is the preferred base; formalin or paraformaldehyde is used as a source of formaldehyde.
Thomas, James. (1981). Kiln tar binder and method of producing it (U.S. Patent No. 4260423). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4260423
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile