US4778742A
Expired / Lapsed
US
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Colored toner compositions
Assignee: Xerox Corp
•
Filing: 1987-10-07
•
Granted: 1988-10-18
•
Expires: 2007-10-07
Abstract
Abstract A toner composition comprised of resin particles and polymeric dye components of the following formula: ##STR1## wherein A is selected from the group consisting of alkylene and arylene; B is selected from the group consisting of ##STR2## wherein R is selected from the group consisting of an alkylene group, an arylene group and a polyether group; and n represents a number of from 2 to about 100.
Inventors
- 👤 Beng S. Ong
- 👤 Walter Mychajlowskij
- 👤 Lupu Alexandru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:53
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/087; G03G9/08784; G03G9/08791; C; C09; C09B; C09B69/00; C09B69/10; C09B69/101
Claims Analysis
Total Claims: 56
Claim 1
Independent Claim
67 words
A toner composition comprised of resin particles and polymeric dye components of the following formula: ##STR14## wherein A is selected from the group consisting of alkylene and arylene; B is selected from the group consisting of ##STR15## wherein R is selected from the group consisting of an alkylene group, an arylene group and a polyether group; and n represents a number of from 2 to about 100.
Claim 2
Dependent Claim
67 words
A toner composition comprised of resin particles and polymeric dye components of the following formula: ##STR14## wherein A is selected from the group consisting of alkylene and arylene; B is selected from the group consisting of ##STR15## wherein R is selected from the group consisting of an alkylene group, an arylene group and a polyether group; and n represents a number of from 2 to about 100.
Claim 3
Dependent Claim
20 words
A toner composition in accordance with claim 1 wherein the alkylene group contains from 1 to about 20 carbon atoms.
Claim 4
Dependent Claim
15 words
A toner composition in accordance with claim 1 wherein the alkylene is methylene or ethylene.
Claim 5
Dependent Claim
20 words
A toner composition in accordance with claim 1 wherein the alkylene group contains from 2 to about 10 carbon atoms.
Claim 6
Dependent Claim
22 words
A toner composition in accordance with claim 1 wherein R is an alkylene group of from 1 to about 8 carbon atoms.
Claim 7
Dependent Claim
12 words
A toner composition in accordance with claim 1 wherein R is methylene.
Claim 8
Dependent Claim
13 words
A toner composition in accordance with claim 1 wherein the arylene is phenylene.
Claim 9
Dependent Claim
23 words
A toner composition in accordance with claim 1 wherein arylene is selected from the group consisting of para-phenylene, metaphenylene, ortho-phenylene, para-benzophenylene, and tolylene.
Claim 10
Dependent Claim
20 words
A toner composition in accordance with claim 1 wherein the B segment is --CO 2 CH 2 CH 2 OCO--.
Claim 11
Dependent Claim
22 words
A toner composition in accordance with claim 1 wherein the B segment is --CO 2 (CH 2 CH 2 O) 2 CH--.
Claim 12
Dependent Claim
22 words
A toner composition in accordance with claim 1 wherein the B segment is --CO 2 (CH 2 CH 2 O) 3 CO--.
Claim 13
Dependent Claim
18 words
A toner composition in accordance with claim 1 wherein the B segment is --CO(CH 2 ) 3 CO--.
Claim 14
Dependent Claim
18 words
A toner composition in accordance with claim 1 wherein the B segment is --CO(CH 2 ) 4 CO--.
Claim 15
Dependent Claim
18 words
A toner composition in accordance with claim 1 wherein the B segment is --CO(CH 2 ) 8 CO--.
Claim 16
Dependent Claim
18 words
A toner composition in accordance with claim 1 wherein the B segment is --CO 2 CH 2 OCO--.
Claim 17
Dependent Claim
48 words
A toner composition in accordance with claim 1 wherein the dye moiety DYE is selected from the group consisting of ##STR16## wherein X and Y are independently selected from the group consisting of SC 6 H 5 ; SCH 3 ; SC 2 H 5 ; and hydrogen.
Claim 18
Dependent Claim
73 words
A toner composition in accordance with claim 1 wherein the dye moiety DYE is selected from the group consisting of ##STR17## wherein V and W are independently selected from the group consisting of NH(CH 2 ) m --; NHC 6 H 4 --; NH(CH 2 ) m C 6 H 4 --; NHC 6 H 4 (CH 2 ) m --, wherein m is a number of from zero (0) to about 20.
Claim 19
Dependent Claim
17 words
A toner composition in accordance with claim 1 wherein the resin particles are selected from styrene polymers.
Claim 20
Dependent Claim
27 words
A toner composition in accordance with claim 1 wherein the resin particles are selected from the group consisting of styrene acrylates, styrene methacrylates, styrene butadienes, and polyesters.
Claim 21
Dependent Claim
15 words
A toner composition in accordance with claim 1 wherein the resin particles are styrene butylmethacrylates.
Claim 22
Dependent Claim
29 words
A toner composition in accordance with claim 1 wherein the resin particles are comprised of styrene n-butylmethacrylate copolymers with a styrene content of at least 75 percent by weight.
Claim 23
Dependent Claim
41 words
A toner composition in accordance with claim 1 wherein the resin particles are comprised of styrene butadienes with from about 85 to about 95 percent by weight of styrene, and from about 5 to about 15 percent by weight of butadiene.
Claim 24
Dependent Claim
17 words
A toner composition in accordance with claim 1 wherein the resin particles contain therein charge enhancing additives.
Claim 25
Dependent Claim
17 words
A toner composition in accordance with claim 23 wherein the charge enhancing additive is cetyl pyridinium chloride.
Claim 26
Dependent Claim
14 words
A developer composition comprised of the toner composition of claim 1, and carrier particles.
Claim 27
Dependent Claim
16 words
A developer composition in accordance with claim 25 wherein the carrier particles contain a coating thereover.
Claim 28
Dependent Claim
31 words
A developer composition in accordance with claim 25 wherein the R segment for the polymeric dye of the toner is an alkylene group of from 1 to about 6 carbon atoms.
Claim 29
Dependent Claim
16 words
A developer composition in accordance with claim 25 wherein the arylene for the dyes is phenylene.
Claim 30
Dependent Claim
23 words
A developer composition in accordance with claim 28 wherein arylene is selected from the group consisting of para-phenylene, meta-phenylene, ortho-phenylene, para-benzophenylene, and octamethylene.
Claim 31
Dependent Claim
24 words
A developer composition in accordance with claim 23 wherein the B segment for the polymer dye is --CO 2 CH 2 CH 2 OCO--.
Claim 32
Dependent Claim
26 words
A developer composition in accordance with claim 23 wherein the B segment for the polymer dye is --CO 2 (CH 2 CH 2 O) 2 CO--.
Claim 33
Dependent Claim
26 words
A developer composition in accordance with claim 23 wherein the B segment for the polymer dye is --CO 2 (CH 2 CH 2 O) 3 CO--.
Claim 34
Dependent Claim
22 words
A developer composition in accordance with claim 23 wherein the B segment for the polymer dye is --CO(CH 2 ) 3 CO--.
Claim 35
Dependent Claim
22 words
A developer composition in accordance with claim 23 wherein the B segment for the polymer dye is --CO(CH 2 ) 4 CO--.
Claim 36
Dependent Claim
22 words
A developer composition in accordance with claim 23 wherein the B segment for the polymer dye is --CO(CH 2 ) 8 CO--.
Claim 37
Dependent Claim
18 words
A developer composition in accordance with claim 23 wherein the B segments for the polymeric dye is --CO--.
Claim 38
Dependent Claim
46 words
A developer composition in accordance with claim 23 wherein the dye chromophore for the toner is selected from the group consisting of ##STR18## wherein X and Y are independently selected from SC 6 H 5 ; SCH 3 ; SC 2 H 5 ; and hydrogen.
Claim 39
Dependent Claim
76 words
A developer composition in accordance with claim 25 wherein the dye chromophore for the toner is selected from the group consisting of ##STR19## wherein V and W are independently selected from the group consisting of NH(CH 2 ) m --; NHC 6 H 4 --; NH(CH 2 ) m C 6 H 4 --; and NHC 6 H 4 (CH 2 ) m --, wherein m is a number of from zero (0) to about 20.
Claim 40
Dependent Claim
15 words
A toner composition in accordance with claim 1 wherein polymeric dye is of formula X.
Claim 41
Dependent Claim
16 words
A toner composition in accordance with claim 1 wherein polymeric dye is of the formula XI.
Claim 42
Dependent Claim
16 words
A toner composition in accordance with claim 1 wherein the polymeric dye is of formula XII.
Claim 43
Dependent Claim
16 words
A toner composition in accordance with claim 1 wherein the polymer dye is of formula XIII.
Claim 44
Dependent Claim
16 words
A toner composition in accordance with claim 1 wherein the polymer dye is of formula XIV.
Claim 45
Dependent Claim
16 words
A toner composition in accordance with claim 1 wherein the polymer dye is of formula XV.
Claim 46
Dependent Claim
36 words
A method of imaging which comprises generating an electrostatic latent image on a photoresponsive imaging member, developing the image formed with the toner composition of claim 1, and subsequently transferring the image to a permanent substrate.
Claim 47
Dependent Claim
17 words
A method of imaging in accordance with claim 45 wherein the image is fixed to the substrate.
Claim 48
Dependent Claim
20 words
A method of imaging in accordance with claim 45 wherein the polymeric dye for the toner is of formula X.
Claim 49
Dependent Claim
21 words
A method of imaging in accordance with claim 45 wherein the polymeric dye for the toner is of the formula XI.
Claim 50
Dependent Claim
20 words
A method of imaging in accordance with claim 45 wherein the polymeric dye for the toner is of formula XII.
Claim 51
Dependent Claim
21 words
A method of imaging in accordance with claim 45 wherein the polymeric dye for the toner is of the formula XIII.
Claim 52
Dependent Claim
20 words
A method of imaging in accordance with claim 45 wherein the polymeric dye for the toner is of formula XIV.
Claim 53
Dependent Claim
21 words
A method of imaging in accordance with claim 45 wherein the polymeric dye for the toner is of the formula XV.
Claim 54
Dependent Claim
18 words
A toner composition in accordance with claim 1 wherein n is a number of from 5 to 35.
Claim 55
Dependent Claim
24 words
A toner composition in accordance with claim 1 wherein the number average molecular weight of polymeric dye is from about 500 to about 50,000.
Claim 56
Dependent Claim
24 words
A toner composition in accordance with claim 1 wherein the number average molecular weight of polymeric dye is from about 2,000 to about 15,000.
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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) | 1991-10-18 | 1992-04-18 | 1992-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-18 | 1996-04-18 | 1996-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-18 | 2000-04-18 | 2000-10-18 | $7700.00 | Window Closed / Lapsed |