Polymer article of manufacture

Details Polymer article of manufacture Polymer article of manufacture

1989-01-03

1991-12-17

Hill, Jr., Robert J.

Compositions

Leather or fur treating

252 8552, 252 8555, 166304, 166312, E21B 4102

Patent

active

050732765

ABSTRACT:
A solid polymeric body comprising a polymer matrix containing a substantially water-insoluble reagent leachable into a substantially hydrocarbon liquid environment, the matrix being reagent permeative and the body preferably having a softening point substantially above that of the temperature of the liquid fluid environment in which it is to be employed. The body is useful for the introduction of an additive reagent into a substantially liquid hydrocarbon such as crude and refined oils.

REFERENCES:
patent: 3531409 (1970-09-01), Seffens et al.
patent: 3921636 (1975-11-01), Zaffaroni
patent: 3948254 (1976-04-01), Zaffaroni
patent: 3993072 (1976-11-01), Zaffaroni
patent: 3996934 (1976-12-01), Zaffaroni
patent: 4660645 (1987-04-01), Newlove et al.
patent: 4670166 (1987-06-01), McDougall et al.

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