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:
Jun. 13, 1989
Filed:
Jan. 15, 1988
Applicant:
Inventors:
Kiyoshi Umehara, Izumi-ohtsu, JP;
Hisaomi Yamamoto, Chiba, JP;
Nobuo Kobayashi, Tokyo, JP;
Tsutomu Imai, Izumi-ohtsu, JP;
Assignee:
Dainippon Ink and Chemicals, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09D / ; C09D / ; B27N / ;
U.S. Cl.
CPC ...
252607 ; 106 1814 ; 106 1815 ; 106 1818 ; 106 1819 ; 106 182 ; 106 1821 ; 106 1824 ; 106 1831 ; 252601 ; 252606 ; 427393 ; 4273933 ; 427408 ; 427440 ; 4285371 ; 428541 ; 428920 ; 428921 ;
Abstract
A fire retardent for woody materials, which is an aqueous solution comprising 100 parts by weight as solids content of a water-soluble 3-(dialkylphosphonopropionamide) represented by the following general formula ##STR1## wherein each of R.sub.1 and R.sub.2 represents an alkyl group having 1 to 3 carbon atoms, and R.sub.3 represents a hyrogen atom or a methyl group, and at least 100 parts by weight as solids of a water-soluble melamine resin as essential ingredients and having a pH of not more than 3.