Compositions: coating or plastic – Coating or plastic compositions – Contains fireproofing or biocidal agent
Patent
1975-04-14
1977-03-08
Phynes, Lucille M.
Compositions: coating or plastic
Coating or plastic compositions
Contains fireproofing or biocidal agent
21 7, 252 81, 252193, 252380, 260 296MN, 260 297N, 427331, B27K 332, B27K 352, C09D 514
Patent
active
040110907
ABSTRACT:
A wood treating composition is provided, comprising an aqueous solution containing (a) a specified amount of zinc ion; (b) a specified amount of ammonium thiocyanate; and (c) a specified amount of zinc oxide solubilizing amount of ammonia, the composition having a pH of 9 or more. The composition may be provided by means of an aqueous ammoniacal solution of Zn(CNS).sub.2. The composition may also include one or more of the following: (a) cupric ammonium ions, (b) a vinyl polymer latex, (c) optionally, an acidic organic surfactant compound which is soluble in the ammoniacal salt solution, or (d) an additional fungicidal agent.
REFERENCES:
patent: 2194827 (1940-03-01), Gordon
patent: 2310257 (1943-02-01), Ritter
patent: 2414661 (1947-01-01), Nikitin
patent: 2423619 (1947-07-01), Roon
patent: 2573252 (1951-10-01), Farber
patent: 3502777 (1970-03-01), Burkhardt et al.
patent: 3523049 (1970-08-01), Putman
Hickson's, Timber Impregnation Company, Swedish Publn. 316,287, Oct. 20, 1969.
Clarke Michael R.
Desai Raman L.
Canadian Patents and Development Limited
Phynes Lucille M.
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