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:
Mar. 22, 1977
Filed:
Jul. 31, 1974
Applicant:
Inventors:
Jean Bouchaudon, Morsang sur Orge, FR;
Guy Bourat, Bourg-la-Reine, FR;
Rodolphe Margraff, Ris Orangis, FR;
Assignee:
Rhone-Poulenc S.A., Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
2105 / ;
Abstract
Polyoxetanes are provided which consist essentially of a plurality of units of the formula: ##EQU1## AND OPTIONALLY, OF UNITS OF AT LEAST ONE OF THE FORMULAE: ##EQU2## in which: EACH OF X.sub.1 and X.sub.2, which may be identical or different, represents a chlorine or bromine atom,