Process of improving the whitening of a polymeric tampon applicator
US6545283B1 · kind B1 · utility
13Cited by
21References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2000 |
| Grant date | Apr 8, 2003 |
| Priority date | — |
| Expiry date | May 17, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S604/904
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process treats the surface of a polymeric tampon applicator so as to improve its whitening. The process applies electron beam energy to the applicator in sufficient magnitude and time duration to achieve the desired whitening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.