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. 06, 1992
Filed:
Aug. 21, 1990
Applicant:
Inventors:
Hermann Hoffmann, Kelkheim(Taunus), DE;
Frederic Mabire, Arcueil, FR;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
252189 ; 554107 ; 554-1 ; 252-8555 ; 252391 ; 252392 ; 252387 ; 422 16 ; 530232 ; 564286 ; 564292 ; 564294 ; 560-1 ; 560122 ; 560128 ; 560193 ; 560196 ; 560221 ; 560222 ; 560251 ; 560129 ;
Abstract
Aqueous aldehyde solutions for trapping hydrogen sulfide comprising 5 to 50% by weight of an aldehyde and 1 to 5% by weight, relative to the aldehyde solution of a formulation comprising