Perfumed copolymers of ethylene and polar monomer
US4095031A · kind A · utility
54Cited by
4References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 8, 1977 |
| Grant date | Jun 13, 1978 |
| Priority date | — |
| Expiry date | Feb 8, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/905
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Perfumed composites of ethylene and polar monomer copolymers, such as vinyl acetate and ethyl acrylate, are disclosed. Shaped bodies prepared from such composites faithfully retain the fragrance of the perfume oil for periods up to a year and more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.