Process for the treatment of polymer cosmetic molds
US5108667A · kind A · utility
9Cited by
37References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1989 |
| Grant date | Apr 28, 1992 |
| Priority date | — |
| Expiry date | Aug 30, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/803
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Polymeric molds and polymeric mold inserts which have been modified by a plasma treatment process. These modified molds and mold inserts may be used to manufacture improved molded cosmetic products such as lipsticks, giving these products a uniform high-gloss finish.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.