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. 07, 1987
Filed:
Jan. 14, 1985
Applicant:
Inventors:
Brian G Clubley, Wilmslow, GB;
Richard J Dellar, Altrincham, GB;
David L Buszard, Woodford, GB;
Norman Richardson, Middleton, GB;
Assignee:
Ciba-Geigy AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08K / ;
U.S. Cl.
CPC ...
521108 ; 524130 ; 524132 ; 521902 ; 528 51 ; 2605 / ; 26050121 ; 26050115 ; 558207 ; 546304 ; 546347 ;
Abstract
The invention provides salts of methyl phosphonic acid and its mono- or di-methyl ester with certain amines. The salts are useful flame retardant additives for polyurethanes and polyisocyanurates.