Encapsulated breakers, compositions and methods of use
US6162766A · kind A · utility
269Cited by
11References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1998 |
| Grant date | Dec 19, 2000 |
| Priority date | — |
| Expiry date | May 29, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An encapsulated breaker is enclosed within a hydrolytically degradable polymer coating. Compositions containing this encapsulated breaker, methods of making and methods of use are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.