Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills
Patent
1993-01-21
1995-03-07
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Tablets, lozenges, or pills
424 767, 424 768, 424405, 424661, 210754, 252 94, 252174, 252175, 422 37, A61K 920
Patent
active
053956257
ABSTRACT:
A shape for chlorination and dechlorination tablets which reduces pillaring and wicking effects during fluid treatment and offers a consistent dissolution rate during the chlorination or dechlorination process. The opposing surfaces of the stacked tablets are formed by a combination of concave and convex shapes. The shape of the opposing surfaces prevents the formation of a central pillar, resulting in the formation of a side pillar instead. During the formation of the side pillar, the fluid contact surface area of the tablets gradually increases to compensate for the diminishing periphery of the tablets. As a result, the dissolution rate of the tablet is kept substantially constant over the course of tablet dissolution. The shape of the opposing surfaces of the stacked tablets also only provides for minimum contact between adjacent tablets, slowing the moisture diffusion speed and minimizing wicking effects.
REFERENCES:
patent: 3595786 (1971-07-01), Horvath et al.
patent: 3856932 (1974-12-01), May
patent: 4584106 (1986-04-01), Weld
patent: 4732689 (1988-03-01), Harvey et al.
patent: 4759907 (1988-07-01), Kawolics et al.
patent: 4816177 (1989-03-01), Nelson et al.
patent: 5089127 (1992-02-01), Junker et al.
Sanuril Data Sheets and Brochures Dating from 1982 and 1983.
Aquaward Data Sheets and Brochures Dating From 1984 and 1989.
D-Chlor Data Sheets and Brochures Dating From 1986 and 1990.
Cook and Martin. Remington's Practice of Pharmacy, 1948 (First Edition 1889).
Stokes Catalog No. 816 (Oct. 1958).
Champagne Thomas M.
Jet Inc.
Page Thurman K.
Roberts Jon L.
Spear James M.
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