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. 02, 1980
Filed:
Jul. 23, 1975
Applicant:
Inventors:
Claudine Mauric, Basel, CH;
Rainer Wolf, Allschwil, CH;
Assignee:
Sandoz Ltd., Basle, SE;
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
106 1818 ; 106 1819 ; 260 / ; 252-81 ; 2609 / ;
Abstract
Flameproofed polymeric organic materials, e.g. regenerated cellulose, which include bis-(2-oxo-1,3, 2-dioxaphosphorinanyl) oxides, bis-(2-thiono-1,3,2 -dioxaphosphorinanyl) oxides and 2-oxo-1,3,2-dioxaphosphorinanyl-2'-thiono-1',3',2'-dioxaphosphorinanyl oxides, having at least one substituent on the dioxaphosphorinane rings, as flameproofing agents, and their production. Some of the flameproofing agents are new compounds and are included in the invention.