Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1989-02-03
1991-02-19
Theisen, Mary Lynn
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
2643281, 26432818, 424405, 424438, 514964, B29C 4500, B29C 4572, A01N 2534
Patent
active
049942271
ABSTRACT:
The invention is an injection molding method for the preparation of sustained release boluses which are useful for administration of insect growth regulators or other veterinary compositions to animals.
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patent: 4326522 (1982-04-01), Guerrero
patent: 4665100 (1987-05-01), Ludwig
Dietz Joseph C.
Toothill Richard B.
American Cyanamid Company
Hogan, Jr. John W.
Theisen Mary Lynn
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