USRE36798EExpiredUtilityPatentIndex 89

Preservatives for wood and other cellulosic materials

Assignee: HICKSON INT PLCPriority: Aug 1, 1991Filed: Aug 3, 1992Granted: Aug 1, 2000

Est. expiryAug 1, 2011(expired)· nominal 20-yr term from priority

Inventors:WILLIAMS GARETH CORNFIELD JUDITH A BROWN JANET RYAN NEIL P

A01N 59/20B27K 3/40B27K 3/20B27K 3/343B27K 3/52B27K 3/22A01N 43/653

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Claims

Abstract

PCT No. PCT/GB92/01427 Sec. 371 Date Apr. 4, 1994 Sec. 102(e) Date Apr. 4, 1994 PCT Filed Aug. 3, 1992 PCT Pub. No. WO93/02557 PCT Pub. Date Feb. 18, 1993The instant invention concerns a wood preservative composition comprising a synergistically effective amount of (a) a cuprammonium compound and (b) tebuconazole to preserve wood.

Claims

exact text as granted — not AI-modified

We claim: 
     
       1. A wood preservative composition comprising a synergistically effective amount of (a) a cuprammonium compound and (b) tebuconazole to preserve wood.Iadd., wherein (a) and (b) are present in a ratio of between 500:1 and 5:1 by weight of copper ion to tebuconazole.Iaddend.. .[.2. The wood preservative composition of claim 1, wherein (a) and (b) are present in a 
     
     
        ratio of between 500:1 and 2:1 by weight..].3. The wood preservation composition of claim 1, wherein (a) and (b) are present in a ratio of between 5:1 and 50:1 by weight .Iadd.of copper ion to 
     
     
        tebuconazole.Iaddend.. 4. The wood preservative composition of claim 1, wherein (a) and (b) are present in a ratio of approximately 25:1 by weight 
     
     
        .Iadd.of copper ion to tebuconazole.Iaddend.. 5. The wood preservative composition of claim 1 wherein said cuprammonium compound is copper complexed with an alkanolamine.

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