Patent US5009959A successfully refreshed from Google Patents.
US5009959A
Expired / Lapsed
US
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Fluorine resin coated article
Assignee: Sumitomo Electric Industries Ltd
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Filing: 1989-05-22
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Granted: 1991-04-23
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Expires: 2009-05-22
Abstract
Abstract A fluorine resin coated article comprising a metal substrate coated with a composition comprising a fluorine resin containing (a) a polyamideimide resin, a polyimide resin, a polyphenylene sulfide resin, a polyethersulfone resin or a mixture thereof in an amount of at least 0.5 wt % based on the amount of the fluorine resin, and (b) mica in an amount of at least 0.5 wt % based on the amount of the fluorine resin.
Inventors
- 👤 Nobutaka Matsushita
- 👤 Hiroshi Okazaki
- 👤 Shosuke Yamanouchi
- 👤 Yoshitaka Osawa
- 👤 Isao Tsujigaito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:06
CPC Classifications
C; C23; C23D; C23D5/00; C23D5/02; B; B05; B05D; B05D5/00; B05D5/08; B05D5/083; A; A47; A47J; A47J36/00; A47J36/02; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C09D127/18; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/34; B05D2202/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31533; Y10T428/3154; Y10T428/31544; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T428/31721
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
74 words
A fluorine resin coated article comprising a metal substrate coated with a composition comprising a fluorine resing containing (a) a polyamideimide resin, a polyimide resin, a polyphenylene sulfide resin, a polyethersulfone resin or a mixture thereof in an amount of from 0.5 to 10 wt % based on the amount of said fluorine resin, and mica in an amount of from 0.5 to 10 wt % based on the amount of said fluorine resin.
Claim 2
Dependent Claim
74 words
A fluorine resin coated article comprising a metal substrate coated with a composition comprising a fluorine resing containing (a) a polyamideimide resin, a polyimide resin, a polyphenylene sulfide resin, a polyethersulfone resin or a mixture thereof in an amount of from 0.5 to 10 wt % based on the amount of said fluorine resin, and mica in an amount of from 0.5 to 10 wt % based on the amount of said fluorine resin.
Claim 3
Dependent Claim
81 words
A fluorine resin coated article as claimed in claim 1 which comprises a metal substrate coated with a composition comprising a fluorine resin containing (a) a polyamideimide resin, a polyimide resin, a polyphenylene sulfide resin, a polyethersulfone resin or a mixture thereof in an amount of from 3 to 7 wt % based on the amount of said fluorine resin, and (b) mica in an amount of from 3 to 7 wt % based on the amount of said fluorine resin.
Claim 4
Dependent Claim
81 words
A fluorine resin coated article as claimed in claim 2 which comprises a metal substrate coated with a composition comprising a fluorine resin containing (a) a polyamideimide resin, a polyimide resin, a polyphenylene sulfide resin, a polyethersulfone resin or a mixture thereof in an amount of from 4 to 6 wt % based on the amount of said fluorine resin, and (b) mica in an amount of from 4 to 6 wt % based on the amount of said fluorine resin.
Claim 5
Dependent Claim
67 words
A fluorine resin coated article as claimed in claim 1 which comprises a metal substrate coated with a composition comprising a fluorine resin containing (a) a polyamideimide resin in an amount of from 0.5 to 10 wt % based on the amount of said fluorine resin and (b) mica in an amount of from 0.5 to 10 wt % based on the amount of said fluorine resin.
Claim 6
Dependent Claim
67 words
A fluorine resin coated article as claimed in claim 4 which comprises a metal substrate coated with a composition comprising a fluorine resin containing (a) a polyamideimide resin in an amount of from 1 to 10 wt % based on the amount of said fluorine resin and (b) mica in an amount of from 1 to 10 wt % based on the amount of said fluorine resin.
Claim 7
Dependent Claim
67 words
A fluorine resin coated article as claimed in claim 5 which comprises a metal substrate coated with a composition comprising a fluorine resin containing (a) a polyamideimide resin in an amount of from 3 to 7 wt % based on the amount of said fluorine resin and (b) mica in an amount of from 3 to 7 wt % based on the amount of said fluorine resin.
Claim 8
Dependent Claim
66 words
A fluorine resin coated article as claimed in claim 6 which comprises a metal substrate coated with a composition comprising a fluorine resin containing (a) a polyamideimide resin in an amount of from 4 to 6 wt % based on the amount of said fluorine resin and (b) mica in an amount of from 4 6 wt % based on the amount of said fluorine resin.
Claim 9
Dependent Claim
17 words
A fluorine resin coated article as claimed in claim 1, wherein said fluorine resin is tetrafluoroethylene reisn.
Claim 10
Dependent Claim
20 words
A fluorine resin coated article as claimed in claim 1, wherein said metal substrate is aluminum or an aluminum alloy.
Claim 11
Dependent Claim
27 words
A fluorine resin coated article as claimed in claim 9, wherein tiny asperities are formed on the surface of said metal substrate by electrochemical or chemical etching.
References Cited (Backward Citations)
US3664888A
Cited
FR2244791A1
Cited
US4122226A
Cited
FR2317343A1
Cited
US4409354A
Cited
US4748169A
Cited
US4734303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-04-22 | 1994-10-22 | 1995-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-04-22 | 1998-10-22 | 1999-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-04-22 | 2002-10-22 | 2003-04-23 | $7700.00 | Window Closed / Lapsed |