Title:
PROCESS FOR PRODUCING COLORED POROUS POLYTETRAFLUOROETHYLENE ARTICLE
Document Type and Number:
WIPO Patent Application WO/1992/018563
Kind Code:
A1
Abstract:
A colored porous polytetrafluoroethylene article having a porousness inherent in a porous article and being free from the distorsion of colored lines, which is produced by infiltrating a colored substance into a porous polytetrafluoroethylene article having a fine fibrous texture composed of fibers and knots linked to each other via the fibers, and heating the resultant article above its melting point.
Inventors:
KANAZAWA SHIN-ICHI (JP)
Application Number:
PCT/JP1992/000456
Publication Date:
October 29, 1992
Filing Date:
April 10, 1992
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
A61F2/06; A61L27/00; A61L27/16; A61L29/00; C08J9/40; D06P3/79; (IPC1-7): A61L27/00; C08J9/40
Foreign References:
| JPS63126505A | 1988-05-30 | |||
| JPS5360949A | 1978-05-31 | |||
| JPS5673290A | 1981-06-17 | |||
| JPS56127445A | 1981-10-06 |
Other References:
See also references of EP 0533956A1
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