Mineral oil gels

Details Mineral oil gels Mineral oil gels

1982-09-30

1987-07-07

Ore, Dale R.

Drug, bio-affecting and body treating compositions

Anti-perspirants or perspiration deodorants

424DIG4, 424DIG10, 424 66, 424 67, 424 68, 424145, 514563, A61K 732, A61K 734, A61K 736, A61K 738

Patent

active

046786643

ABSTRACT:
This invention relates to a gel composition comprising water, mineral oil and two polyoxyethylene-polyoxybutylene block copolymers designated copolymer A and copolymer B wherein said block copolymers are cogeneric mixtures of conjugated polyoxybutylene-polyoxyethylene compounds containing in their structure oxybutylene groups, oxyethylene groups and an organic radical derived from a water-soluble organic compound containing a plurality of reactive hydrogen atoms and 2 to 12 carbon atoms wherein copolymer A has a molecular weight of the polyoxybutylene portion of at least about 1800 and the polyoxyethylene portions contribute from about 60 to 80 percent by weight of the compound and copolymer B has a polyoxybutylene portion with a molecular weight of at least about 600 and the polyoxyethylene portion contributes from about 20 to 40 percent by weight of the compound.

REFERENCES:
patent: 2828345 (1958-03-01), Spriggs
patent: 4042525 (1977-08-01), Ackermann et al.
patent: 4326977 (1982-04-01), Schmolka
patent: 4341799 (1982-07-01), Good
patent: 4360451 (1982-11-01), Schmolka

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