Preservative elements containing organic boron compounds and their use
AssigneeManchem Limited
InventorsRaymond C. Cass, William K. H. Lakin
Life of this patent
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Abstract
A preservative element, for timber or masonry in the form of a shaped element containing an organic boron compound, especially a boro-organic ester. Preferably the element also contains inorganic boron salts or acids, with or without the addition of other inorganic compounds having fungicidal and/or insecticidal properties.
Claims20
A shaped preservative element in the form of a rod or pellet, for timber or masonry, which contains a solid organic boron ester having a melting point of about 50.degree.-200.degree. C., which is hydrolysable in the presence of water.
A method of preserving masonry or timber against attack by fungus or insects comprising forming a cavity in the relevent masonry or timber member, inserting a shaped element in said cavity, and then covering the element with a cap, plug or filler, wherein said element is in the form of a rod or pellet and comprises a solid organic boron ester having a melting point of about 50.degree.-200.degree. C. which is hydrolysable in the presence of water.
A preservative composition comprising
- mono(2-methyl-2,4-pentanediol)monoborate:
- 20 parts
- boric acid:
- 20 parts
- borax:
- 30 parts
- boric oxide:
- 30 parts
- said parts by weight.
Dependencies are inferred from the claim text.