US6000794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image forming method
Assignee: Canon Inc
•
Filing: 1997-08-14
•
Granted: 1999-12-14
•
Expires: 2017-08-14
Abstract
Abstract Provided is a recording medium comprising a base material, and an ink-receiving layer thereon containing a pigment having an aggregated-particle diameter of from 0.5 to 50 μm and a binder, wherein said ink-receiving layer has a value of BET specific surface area/pore volume within the range of from 50 to 500 m 2 /ml.
Inventors
- 👤 Yuji Kondo
- 👤 Hitoshi Yoshino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:55
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/5218; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/25; Y10T428/256; Y10T428/259; Y10T428/31
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
84 words
An image forming method comprising ejecting minute droplets of an ink from fine orifices to impart the ink droplets to a recording medium to make a print, wherein said recording medium comprises a base material, and an ink-receiving layer thereon containing a pigment of an aggregated particle having a particle diameter of from 0.5 to 50 μm and a binder, wherein said ink-receiving layer has a value of BET specific surface area/pore volume within the range of from 50 to 500 m 2 /ml.
Claim 2
Dependent Claim
84 words
An image forming method comprising ejecting minute droplets of an ink from fine orifices to impart the ink droplets to a recording medium to make a print, wherein said recording medium comprises a base material, and an ink-receiving layer thereon containing a pigment of an aggregated particle having a particle diameter of from 0.5 to 50 μm and a binder, wherein said ink-receiving layer has a value of BET specific surface area/pore volume within the range of from 50 to 500 m 2 /ml.
Claim 3
Dependent Claim
32 words
The image forming method according to claim 1, wherein said ink-receiving layer has a value of BET specific surface area/pore volume within the range of from 50 to 330 m 2 /ml.
Claim 4
Dependent Claim
32 words
The image forming method according to claim 1, wherein said ink-receiving layer has a value of BET specific surface area/pore volume within the range of from 80 to 250 m 2 /ml.
Claim 5
Dependent Claim
29 words
The image forming method according to claim 1, wherein said ink-receiving layer has a BET specific surface area within the range of from 20 to 450 m 2 /g.
Claim 6
Dependent Claim
25 words
The image forming method according to claim 1, wherein said ink-receiving layer has a pore volume within the range of from 0.1 to 1.0 ml/g.
Claim 7
Dependent Claim
15 words
The image forming method according to claim 1, wherein said pigment comprises an alumina hydrate.
Claim 8
Dependent Claim
28 words
The image forming method according to claim 6, wherein an aggregated particle of said alumina hydrate has a zeta potential of 15 mV or higher at pH 6.
Claim 9
Dependent Claim
28 words
The image forming method according to claim 6, wherein an aggregated particle of said alumina hydrate has a zeta potential of 20 mV or higher at pH 6.
Claim 10
Dependent Claim
32 words
The image forming method according to claim 6, wherein said alumina hydrate has a value of BET specific surface area/pore volume within the range of from 40 to 500 m 2 /ml.
Claim 11
Dependent Claim
32 words
The image forming method according to claim 6, wherein said alumina hydrate has a value of BET specific surface area/pore volume within the range of from 40 to 300 m 2 /ml.
Claim 12
Dependent Claim
32 words
The image forming method according to claim 6, wherein said alumina hydrate has a value of BET specific surface area/pore volume within the range of from 65 to 120 m 2 /ml.
Claim 13
Dependent Claim
29 words
The image forming method according to claim 6, wherein said alumina hydrate has a BET specific surface area within the range of from 40 to 500 m 2 /g.
Claim 14
Dependent Claim
25 words
The image forming method according to claim 6, wherein said alumina hydrate has a pore volume within the range of from 0.1 to 1.0 ml/g.
Claim 15
Dependent Claim
13 words
The image forming method according to claim 1, wherein said pigment comprises silica.
Claim 16
Dependent Claim
91 words
An image forming method comprising ejecting minute droplets of an ink from fine orifices to impart the ink droplets to a recording medium to make a print, wherein said recording medium comprises a base material, and an ink-receiving layer thereon containing a pigment of an aggregated particle having a particle diameter of from 0.5 to 50 μm and a binder, wherein said pigment is an alumina hydrate and said ink-receiving layer has a value of BET specific surface area/pore volume within the range of from 50 to 500 m 2 /ml.
Claim 17
Dependent Claim
91 words
An image forming method comprising ejecting minute droplets of an ink from fine orifices to impart the ink droplets to a recording medium to make a print, wherein said recording medium comprises a base material, and an ink-receiving layer thereon containing a pigment of an aggregated particle having a particle diameter of from 0.5 to 50 μm and a binder, wherein said pigment is an alumina hydrate and said ink-receiving layer has a value of BET specific surface area/pore volume within the range of from 50 to 500 m 2 /ml.
Claim 18
Dependent Claim
32 words
The image forming method according to claim 15, wherein said ink-receiving layer has a value of BET specific surface area/pore volume within the range of from 50 to 330 m 2 /ml.
Claim 19
Dependent Claim
32 words
The image forming method according to claim 15, wherein said ink-receiving layer has a value of BET specific surface area/pore volume within the range of from 80 to 250 m 2 /ml.
Claim 20
Dependent Claim
29 words
The image forming method according to claim 15, wherein said ink-receiving layer has a BET specific surface area within the range of from 20 to 450 m 2 /g.
Claim 21
Dependent Claim
25 words
The image forming method according to claim 15, wherein said ink-receiving layer has a pore volume within the range of from 0.1 to 1.0 ml/g.
Claim 22
Dependent Claim
27 words
The image forming method according to claim 15, wherein aggregated particles of said alumina hydrate have a zeta potential of 15 mV or higher at pH 6.
Claim 23
Dependent Claim
27 words
The image forming method according to claim 15, wherein aggregated particles of said alumina hydrate have a zeta potential of 20 mV or higher at pH 6.
Claim 24
Dependent Claim
32 words
The image forming method according to claim 15, wherein said alumina hydrate has a value of BET specific surface area/pore volume within the range of from 40 to 500 m 2 /ml.
Claim 25
Dependent Claim
32 words
The image forming method according to claim 15, wherein said alumina hydrate has a value of BET specific surface area/pore volume within the range of from 40 to 300 m 2 /ml.
Claim 26
Dependent Claim
32 words
The image forming method according to claim 15, wherein said alumina hydrate has a value of BET specific surface area/pore volume within the range of from 65 to 120 m 2 /ml.
Claim 27
Dependent Claim
29 words
The image forming method according to claim 15, wherein said alumina hydrate has a BET specific surface area within the range of from 40 to 500 m 2 /g.
Claim 28
Dependent Claim
25 words
The image forming method according to claim 15, wherein said alumina hydrate has a pore volume within the range of from 0.1 to 1.0 ml/g.
Claim 29
Dependent Claim
24 words
The image forming method according to any one of claims 1 to 26, wherein said ink droplets are ejected by an ink-jet recording system.
Claim 30
Dependent Claim
33 words
The image forming method according to claim 27, wherein said ink-jet recording system is a system in which a heat energy is acted on the ink so that the ink droplets are ejected.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-12-13 | 2003-06-14 | 2003-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-12-13 | 2007-06-14 | 2007-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-12-13 | 2011-06-14 | 2011-12-14 | $7700.00 | Window Closed / Lapsed |