← Back to Patent Explorer
US5009959A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluorine resin coated article

Assignee: Sumitomo Electric Industries Ltd
•
Filing: 1989-05-22
•
Granted: 1991-04-23
•
Expires: 2009-05-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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 06:42
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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag