Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills
Patent
1992-11-13
1994-10-18
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Tablets, lozenges, or pills
424480, 424482, 525 5421, 527311, A61K 920
Patent
active
053566343
ABSTRACT:
Provided is a controlled-release system for delivery of bioactive materials such as medicaments, cosmetic ingredients and agrichemicals using cellulose acetate succinate or certain blends of cellulose acetate phthalate polymers as enteric coating materials. Also provided is a method for delivering active ingredients to animals utilizing the controlled-release system of the invention.
REFERENCES:
patent: 3489743 (1970-01-01), Crane
patent: 4775536 (1988-10-01), Patell
patent: 4795641 (1989-01-01), Kashdan
patent: 4960814 (1990-10-01), Wu et al.
patent: 5025004 (1991-06-01), Wu et al.
patent: 5217720 (1993-06-01), Sekigawa et al.
Aqueous Polymeric Coatings for Pharmaceutical Dosage Forms, McGinnity, Dekker, New York (1989), p. 81.
"Materials Used in the Film Coating of Oral Dosage Forms", Rowe, Florence, Blackwell Scientific Publications, p. 1, 1894.
Kirk-Othmer, Encyclopedia of Chemical Technology, Third Ed., vol. 5, pp. 118-143 (1979), John Wiley & Sons, New York, New York.
Encyclopedia of Polymer Science & Engineering, vol. 3, pp. 158-181 (1985), John Wiley & Sons, New York, New York.
Ullman's Encyclopedia of Industrial Chemistry, vol. A5, pp. 438-447 (1986) VCH Verlagsgesellsehaft Weinheim, Germany.
Encyclopedia of Pharmaceutical Technology, vol. 5, pp. 188-200, Marcel Dekker, Inc., N.Y.
Greene Carol J.
Kashdan David S.
Kirk Shane K.
Wu Stephen H.
Benston, Jr. William E.
Eastman Chemical Company
Graves, Jr. Bernard J.
Page Thurman K.
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