Patent US6355352B1 successfully refreshed from Google Patents.
US6355352B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuser member with low-temperature-cure overcoat
Assignee: Eastman Kodak Co
•
Filing: 2000-06-30
•
Granted: 2002-03-12
•
Expires: 2020-06-30
Abstract
Abstract A fuser member comprising a support and a layer overlying the support, the layer including a fluorocarbon thermoplastic random copolymer, a curing agent having a bisphenol residue, a particulate filler containing zinc oxide, an aminosiloxane, and antimony-doped tin oxide particles, the cured fluorocarbon thermoplastics random copolymer having subunits of:whereinx is from 1 to 50 or 60 to 80 mole percent,y is from 10 to 90 mole percent,z is from 10 to 90 mole percent, andx+y+z equal 100 mole percent.
Inventors
- 👤 Jiann H. Chen
- 👤 Joseph A. Pavlisko
- 👤 Charles C. Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:21
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/20; G03G15/2003; G03G15/2014; G03G15/2053; G03G15/2057; C; C08; C08L; C08L83/00; C08L83/04; C08L83/08; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C09D127/16; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K2003/2231; C08K2003/2296; C08K3/02; C08K3/04; C08K3/2279; C08K5/00; C08K5/0008; C08K5/0025; C08K5/04; C08K5/13; C08L2205/00; C08L2205/02; C08L2205/03; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
100 words
A fuser member comprising a support and a layer overlying the support, the layer including a fluorocarbon thermoplastic random copolymer, a curing agent having a bisphenol residue, a particulate filler containing zinc oxide, antimony-doped tin oxide particles and an aminosiloxane, the cured fluorocarbon thermoplastics random copolymer having subunits of: -(CH 2 CF 2 )x-, -(-CF 2 CF(CF 3 )y-, and -(CF 2 CF 2 )z-, wherein x is from 1 to 50 or 60 to 80 mole percent, y is from 10 to 90 mole percent, z is from 10 to 90 mole percent, and x+y+z equal 100 mole percent.
Claim 2
Dependent Claim
100 words
A fuser member comprising a support and a layer overlying the support, the layer including a fluorocarbon thermoplastic random copolymer, a curing agent having a bisphenol residue, a particulate filler containing zinc oxide, antimony-doped tin oxide particles and an aminosiloxane, the cured fluorocarbon thermoplastics random copolymer having subunits of: -(CH 2 CF 2 )x-, -(-CF 2 CF(CF 3 )y-, and -(CF 2 CF 2 )z-, wherein x is from 1 to 50 or 60 to 80 mole percent, y is from 10 to 90 mole percent, z is from 10 to 90 mole percent, and x+y+z equal 100 mole percent.
Claim 3
Dependent Claim
16 words
The fusing member of claim 1 wherein the aminosiloxane is an amino functional polydimethyl siloxane copolymer.
Claim 4
Dependent Claim
30 words
The fusing member of claim 2 wherein the amino finctional polydimethyl siloxane copolymer comprises amino functional units selected from the group consisting of (aminoethylaminopropyl) methyl, (aminopropyl) methyl and (aminopropyl) dimethyl.
Claim 5
Dependent Claim
17 words
The fuser member of claim 2 wherein the fluorocarbon thermoplastic random copolymer is cured by bisphenol residues.
Claim 6
Dependent Claim
34 words
The fusing member of claim 1 wherein the amino siloxane has a total concentration in the layer of from 1 to 20 parts by weight per 100 parts of the fluorocarbon thermoplastic random copolymer.
Claim 7
Dependent Claim
33 words
The fuser member of claim 1 wherein the aminosiloxane has a total concentration in the layer of from 5 to 15 parts by weight per 100 parts of the fluorocarbon thermoplastic random copolymer.
Claim 8
Dependent Claim
33 words
The fuser member of claim 1 wherein the aminosiloxane has a total concentration in the layer of from 10 to 15 parts by weight per 100 parts of the fluorocarbon thermoplastic random copolymer.
Claim 9
Dependent Claim
34 words
The fuser member of claim 1 wherein the zinc oxide has a total concentration in the layer of from 1 to 20 parts by weight per 100 parts of the fluorocarbon thermoplastic random copolymer.
Claim 10
Dependent Claim
34 words
The fuser member of claim 1 wherein the zinc oxide has a total concentration in the layer of from 3 to 15 parts by weight per 100 parts of the fluorocarbon thermoplastic random copolymer.
Claim 11
Dependent Claim
17 words
The fuser member of claim 1 further including a cushion layer between the support and the layer.
Claim 12
Dependent Claim
16 words
The fuser member of claim 1 wherein the fluorocarbon thermoplastic random copolymer is nucleophilic addition cured.
Claim 13
Dependent Claim
32 words
The fuser member of claim 1 wherein x is from 30 to 50 mole percent, y is from 10 to 90 mole percent, and z is from 10 to 90 mole percent.
Claim 14
Dependent Claim
24 words
The fuser member of claim 1 wherein x is from 40 to 50 mole percent and y is from 10 to 15 mole percent.
Claim 15
Dependent Claim
14 words
The fuser member of claim 1 wherein z is greater than 40 mole percent.
Claim 16
Dependent Claim
32 words
The composition of claim 1 wherein the antimony-doped tin oxide particles have a total concentration of from 3 to 20 parts by weight per 100 parts of the fluorocarbon thermoplastic random copolymer.
Claim 17
Dependent Claim
18 words
The composition of claim 1 wherein the antimony-doped tin oxide particles comprise 3 to 10 weight percent antimony.
Claim 18
Dependent Claim
17 words
The fuser member of claim 1 wherein the fluorocarbon thermoplastic random copolymer further comprises a fluorinated resin.
Claim 19
Dependent Claim
20 words
The fuser member of claim 17 wherein the fluorinated resin has a number average molecular weight between 50,000 and 50,000,000.
Claim 20
Dependent Claim
23 words
The fuser member of claim 17 wherein the ratio of fluorocarbon thermoplastic random copolymer to fluorinated resin is between 1:1 and 50: 1.
Claim 21
Dependent Claim
14 words
The fuser member of claim 17 wherein the fluorinated resin is polytetrafluoroethylene or fluoroethylenepropylene.
Claim 22
Dependent Claim
15 words
The composition of claim 1 wherein the fluorocarbon thermoplastic random copolymer further comprises carbon black.
References Cited (Backward Citations)
US4272179A
Cited
US4373239A
Cited
US4430406A
Cited
US4568275A
Cited
US4518655A
Cited
US4999221A
Cited
US5253027A
Cited
US4853737A
Cited
US5157445A
Cited
US4970098A
Cited
US5582917A
Cited
US5269740A
Cited
US5292562A
Cited
US5292606A
Cited
US5480724A
Cited
US5474821A
Cited
US5336539A
Cited
US5547759A
Cited
US5466533A
Cited
US5464703A
Cited
US5464698A
Cited
US5595823A
Cited
US5474852A
Cited
US6068931A
Cited
US5948479A
Cited
US5599631A
Cited
US5919886A
Cited
US6020450A
Cited
US5679463A
Cited
US6035780A
Cited
US6041210A
Cited
US5978641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2005-03-11 | 2005-09-10 | 2006-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-03-11 | 2009-09-10 | 2010-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-03-11 | 2013-09-10 | 2014-03-12 | $7700.00 | Window Closed / Lapsed |