Wood preservatives and method for wood preservation treatment

Details Wood preservatives and method for wood preservation treatment Wood preservatives and method for wood preservation treatment

1976-02-27

1978-02-21

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252403, 252404, 252405, 252406, C09K 1522

Patent

active

040751210

ABSTRACT:
A wood preservative composition for control of wood decay by fungi, which comprises 2H-benzopyran-2-spiro-3'-phthalide or its derivatives such as 6-methyl-2H-benzopyran-2-spiro-3'-phthalide or benzo[f]-2H-benzopyran-2-spiro-3'-phthalide as an active ingredient. The active ingredient has extremely low mammalian toxicity, and exhibits an excellent wood-decay controlling effect.

REFERENCES:
patent: 3634289 (1972-01-01), Liddell
patent: 3723465 (1973-03-01), Hall
patent: 3766214 (1973-10-01), Lin et al.
patent: 3874908 (1975-04-01), Liddell
patent: 3947468 (1976-03-01), Hall

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