Degradable articles and methods of using such articles as degrad

Details Degradable articles and methods of using such articles as degrad Degradable articles and methods of using such articles as degrad

1991-09-24

1993-12-14

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

424 2817, 424 84, 424405, 43 4206, 523124, A01N 2508

Patent

active

052700445

ABSTRACT:
A degradable article comprising a polyurethane polymer gel or foam whose polymer structure contains hydrolytically unstable ester linkages and various additives. The article can be constructed so that some of the additives are released from the article at a sustained rate. In a preferred embodiment the additives are sensory stimulants for marine or aquatic organisms and the article is used as bait for those organisms. Such sensory stimulants can include high molecular weight thickeners, to impart a slippery texture.

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Nishimura, Isao, et al., Chem. Abstract, 105:(19) 170981z. Fish attractants containing pulverized fiber, carboxymethyl cellulose alkali salts and baits.
Toshiaki J. Hara, Developments in Aquaculture and Fisheries Science, 8, "Chemoreception in Fishes", Elsevier Scientific Publishing Co., 1982.

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