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:
Jan. 08, 2008
Filed:
Jun. 05, 2002
Naohiko Fukuoka, Koube, JP;
Heinosuke Yasuda, Koube, JP;
Masayuki Nishimatsu, Koube, JP;
Yoshinori Ohmae, Koube, JP;
Naohiko Fukuoka, Koube, JP;
Heinosuke Yasuda, Koube, JP;
Masayuki Nishimatsu, Koube, JP;
Yoshinori Ohmae, Koube, JP;
Chemipro Kasei Kaisha, Limited, Koube, JP;
Abstract
The present invention relates to cyclic phosphazenes of general formula (1) wherein Q is a halogen and/or an aryloxy group, and m is an integer of 3 to 10, which are characterized by being substantially free from linear phosphazenes of general formula (2) wherein Q is a halogen and/or an aryloxy group, and n is an integer of 1 to 20 and by having an extremely low content of halogen, and which are appropriate to flame retardants for resins; processes for preparing the same; flame retardants containing the same as an active ingredient; resin compositions containing the cyclic phosphazenes; and molded articles therefrom.