Elastomer encased active ingredients
US4975270A · kind A · utility
86Cited by
45References
44Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 21, 1987 |
| Grant date | Dec 4, 1990 |
| Priority date | — |
| Expiry date | Apr 21, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S426/801
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Active ingredients useful in chewable articles of commerce are physically encased in non-porous, chewable, particles of elastomer and such particles are then incorporated in the articles of commerce. During mastication of the chewable article of commerce the active ingredient is released from the elastomer particles over a prolonged period of time. The active ingredients would include flavorants, intense sweeteners, colorants, medicaments, effervescent agents and tobacco.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.