Controlled release compositions and methods of using
US9320288B2 · kind B2 · utility
11Cited by
104References
5Claims
0Family size
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Key dates
| Filing date | Dec 2, 2013 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | Dec 2, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Cyclodextrin compositions, including a hydrophobic carrier and a cyclodextrin complex, are formed and disposed on a variety of substrates using conditions that avoid substantial loss of the complexed compound from the cyclodextrin complex, even where the complexed compound is a gas a common ambient temperatures (e.g. 20° C.). Flexographic printing is particularly useful for disposing the cyclodextrin compositions on one or more substrates. Substrates treated with the cyclodextrin complexes are useful for subsequent release of the complexed compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.