Process for removing fine particles from articles of fluorine-containing resin
US5064474A · kind A · utility
2Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1990 |
| Grant date | Nov 12, 1991 |
| Priority date | — |
| Expiry date | Sep 24, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2327/12
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention provides a method for removing the fine particles deposited on an article of fluorine-containing resin, the method comprising conducting at least one of the procedures of: PA0 (i) maintaining the article of fluorine-containing resin at a high temperature, PA0 (ii) maintaining the article in the atmosphere of fluorine-containing gas, and PA0 (iii) bringing the article into contact with a polar solvent or an aqueous solution of polar solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.