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:
Sep. 25, 1979
Filed:
Jun. 06, 1977
Applicant:
Inventor:
Michel Demarcq, Lyons, FR;
Assignee:
Produits Chimiques Ugine Kuhlmann, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
2609 / ; 260969 ;
Abstract
Novel bicyclic phosphorus derivatives of 2,2-di(hydroxymethyl)-3-bromopropanol having the formula ##STR1## WHERE X IS ZERO OR ONE, NOVEL POLYPHOSPHONATE DERIVATIVES OF THE PHOSPHITE DERIVATIVES OBTAINED BY Michaelis-Arbuzov condensation and other processes; and processes for preparing such novel compounds, the bicyclic derivatives being useful as plastic stabilizers, fireproofing agents and intermediates and the polyphosphonates being useful as fireproofing agents for polymers and textiles.