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. 17, 1979
Filed:
Nov. 21, 1977
Applicant:
Inventors:
Kurt Bodenbenner, Wiesbaden, DE;
Helmold VON Plessen, Kelkheim, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ; B01D / ;
U.S. Cl.
CPC ...
423531 ; 423523 ; 423525 ; 252321 ;
Abstract
The foam formation arising when aqueous waste sulfuric acid is concentrated can be suppressed by adding aromatic nitro compounds such as nitrobenzene to the acid.
Bodenbenner, Kurt. (1979). Foam prevention during the regeneration of waste sulfuric acid with (U.S. Patent No. 4150103). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4150103
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile