Pharmaceutical products containing thermally-inhibited starches
US5830884A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1996 |
| Grant date | Nov 3, 1998 |
| Priority date | — |
| Expiry date | Jan 31, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08B30/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Thermally-inhibited starches and flours are used in pharmaceutical products as a diluent, filler, carrier, binder, disintegrant, coating, thickener, moisture sink, and the like. The starches and flours are inhibited by dehydrating the starch or flour to substantially anhydrous or anhydrous and then heat treating the anhydrous or substantially anhydrous starch or flour for a time and at a temperature sufficient to inhibit the starch or flour. The dehydration can be carried out by heating the starch or flour, by extracting the starch or flour with a solvent, or by freeze drying. Preferably, the pH is adjusted to a neutral pH or above prior to the dehydration and heat treatment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.