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:
Oct. 06, 1987
Filed:
Dec. 27, 1985
Applicant:
Inventors:
Giancarlo Albanesi, Milan, IT;
Gianfranco Rinaldi, Magenta, IT;
Assignee:
Saffa S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C09K / ; C08K / ;
U.S. Cl.
CPC ...
423274 ; 2524001 ; 2524002 ; 252404 ; 252405 ; 252601 ; 252609 ; 423265 ; 423322 ; 523205 ; 523200 ; 524 80 ; 524414 ; 427221 ; 428403 ;
Abstract
Stabilized powder of red phosphorus, for use as flame-retardant agent, in particular for compositions on the basis of polymers, constituted by particles of red phosphorus enveloped by a thin capsule constituted by a first layer of Al(OH).sub.3 adhering on to the surface of red phosphorus individual particles, and by a second layer, superimposed onto said first layer, constituted by a crosslinked polyconsensation resin formed by urea-melamine-phenol-formaldehyde.