Crystal structure

Details Crystal structure Crystal structure

2005-04-05

2005-04-05

Page, Thurman K. (Department: 1615)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

C424S045000, C424S046000, C424S490000, C424S493000

Reexamination Certificate

active

06875449

ABSTRACT:
A process for the production of crystals with controlled surface smoothness, size, shape and degree of crystallinity, compositions comprising such crystals, and the use of certain crystals, especially lactose, lactose monohydrate, fluticasone propionate, salmeterol xinafoate, salbutamol sulphate or ipratropium bromide in pharmaceutical compositions.

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G. Buckton et al., “The use of isothermal microcalorimetry in the study of changes in crystallinity of spray-dried salbutamol sulfate”, International Journal of Pharmaceutics, Mar. 14, 1995, XP002110839.

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