| (19) |
 |
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(11) |
EP 1 754 547 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
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30.05.2007 Bulletin 2007/22 |
| (43) |
Date of publication A2: |
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21.02.2007 Bulletin 2007/08 |
| (22) |
Date of filing: 26.10.1999 |
|
| (51) |
International Patent Classification (IPC):
|
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| (84) |
Designated Contracting States: |
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DE ES FR GB IT NL |
| (30) |
Priority: |
27.10.1998 US 105798 P
30.09.1999 US 409173
30.09.1999 US 409207
|
| (62) |
Application number of the earlier application in accordance with Art. 76 EPC: |
|
99970953.8 / 1124647 |
| (71) |
Applicant: E. I. du Pont de Nemours and Company |
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Wilmington,
Delaware 19805 (US) |
|
| (72) |
Inventors: |
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- Bloom, Joe Sawyer
Wilmington, DE 19810 (US)
- Crompton, John Russell
Middletown, DE 19709 (US)
- Donatello, James M.
Wilmington, DE 19802 (US)
- Lee, Kiu-Seung
Philadelphia, PA 19103 (US)
- Stewart, Charles Winfield
Newark, DE 19711 (US)
- Wheland, Robert Clayton
Wilmington, DE 19807 (US)
|
| (74) |
Representative: Cockerton, Bruce Roger et al |
|
Carpmaels & Ransford,
43-45 Bloomsbury Square
London WC1A 2RA
London WC1A 2RA (GB) |
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| |
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| (54) |
In situ fluoropolymer polymerization into porous substrates |
(57) The present invention relates to in situ polymerization of fluoropolymer into porous
substrates, to improve resistance to wear, tear and creep, decay, and degradation
by wetting, staining and warping, and to improve durability while maintaining the
appearance of the substrate.