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:
Nov. 29, 1983
Filed:
Oct. 04, 1982
Applicant:
Inventor:
Martin J Jacobs, Terre Haute, IN (US);
Assignee:
International Minerals & Chemical Corp., Terre Haute, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568854 ;
Abstract
Aqueous mother liquor from which pentaerythritol has been removed by crystallization is extracted with tetrahydrofuran to remove formals, and the raffinate comprising pentaerythritol is recycled to the crystallization process.
Jacobs, Martin. (1983). Process for refining waste liquor (U.S. Patent No. 4418226). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4418226
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile