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:
Oct. 14, 1997
Filed:
Feb. 09, 1995
Applicant:
Inventors:
Elfriede Sextl, Geiselbach, DE;
Akos Kiss, Hanau, DE;
Heike Kinz, Hanau, DE;
Wiltrud Schaefer-Treffenfeldt, Obertshausen, DE;
Sems Yonsel, Istinye-Istanbul, TR;
Stefan Stockhammer, Freigericht, DE;
Assignee:
Degussa Aktiengesellschaft, Frankfurt, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210670 ; 210691 ;
Abstract
The invention relates to the removal of hydroxymonocarboxylic acids and tricarboxylic acids from aqueous solutions by adsorption on zeolites with a modulus of up to 400.
Sextl, Elfriede. (1997). Process for isolating hydroxymonocarboxylic and tricarboxylic acids (U.S. Patent No. 5676838). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5676838
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile