Association complex comprising pullulan and polyethylene glycol,

Details Association complex comprising pullulan and polyethylene glycol, Association complex comprising pullulan and polyethylene glycol,

1987-11-03

1990-05-22

Albrecht, Dennis

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

71 11, 71 27, 71 6411, 424 49, 424 78, 424418, 424426, 424443, 424457, 424468, 424479, 424481, 424485, 424486, 424488, 424499, 424500, 424501, 514 54, 514777, 514782, 514947, 514953, 514963, 514964, 514965, A01N 2534, A61K 926, A61K 4700, C05G 506

Patent

active

049276360

ABSTRACT:
Pullulan forms an association complex with PEG in a hydrous system. The assocation complex, as well as its pullulan and PEG components, exerts a decreased solubility in water. The association reduces or even eliminates the excessively high water-solubility, threading and stickiness of pullulan so that this extends the uses of pullulan and PEG such as those in gradually disintegrable- and sustained release-shaped articles for consumer's products, toiletries, cosmetics, pharmaceuticals and feeds.

REFERENCES:
patent: 3962155 (1976-06-01), Usamoto
patent: 4029616 (1977-06-01), Nakashio et al.
patent: 4186024 (1980-01-01), Fujimoto et al.
patent: 4618664 (1986-10-01), Ohnishi
patent: 4650666 (1987-03-01), Izutsu
patent: 4695467 (1987-09-01), Uemura et al.
patent: 4764360 (1988-08-01), Malson

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