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:
Dec. 17, 1991
Filed:
Jan. 23, 1991
Applicant:
Inventors:
Horst Robeck, Hofheim am Taunus, DE;
Hans-Matthias Deger, Hofheim am Taunus, DE;
Klaus Raab, Burgkirchen, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C23G / ; B06B / ;
U.S. Cl.
CPC ...
252171 ; 134 12 ; 134 31 ; 134 38 ; 134 39 ; 134 40 ; 203 67 ; 252162 ; 252170 ; 252364 ; 252D / ;
Abstract
The invention relates to an azeotrope-type mixture which contains about 3-5% by weight of methanol and about 95-97% by weight of 1,4-dihydroperfluorobutane, and also to a process for cleaning electronic components, in particular soldered conductor boards or printed circuits, with the aid of said mixture.
Robeck, Horst. (1991). Novel azeotrope-type solvent mixture of methanol and (U.S. Patent No. 5073291). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5073291
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile