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. 14, 1981
Filed:
Jan. 07, 1980
Applicant:
Inventors:
Alexander Ohorodnik, Erftstadt, DE;
Klaus Gehrmann, Erftstadt, DE;
Eberhard Auer, Erftstadt, DE;
Stefan Schafer, Bruhl, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
2605 / ;
Abstract
The invention relates to a process permitting the deposition of solid matter in mixtures containing methyldichlorophosphane to be avoided. To this end, the mixture is stabilized by admixing it with phosphoric acid or a soluble compound containing at least one acid group selected from phosphoric acid, phosphonic acid, sulfonic acid, phosphonous acid, thiophosphoric acid or dithiophosphoric acid.