HK137695A - Liquid developer systems with self-replenishment of bulk conductivity - Google Patents
Liquid developer systems with self-replenishment of bulk conductivityInfo
- Publication number
- HK137695A HK137695A HK137695A HK137695A HK137695A HK 137695 A HK137695 A HK 137695A HK 137695 A HK137695 A HK 137695A HK 137695 A HK137695 A HK 137695A HK 137695 A HK137695 A HK 137695A
- Authority
- HK
- Hong Kong
- Prior art keywords
- replenishment
- self
- liquid developer
- bulk conductivity
- developer systems
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G13/00—Electrographic processes using a charge pattern
- G03G13/06—Developing
- G03G13/10—Developing using a liquid developer, e.g. liquid suspension
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/12—Developers with toner particles in liquid developer mixtures
- G03G9/135—Developers with toner particles in liquid developer mixtures characterised by stabiliser or charge-controlling agents
- G03G9/1355—Ionic, organic compounds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Liquid Developers In Electrophotography (AREA)
- Wet Developing In Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31912689A | 1989-03-06 | 1989-03-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK137695A true HK137695A (en) | 1995-09-08 |
Family
ID=23240964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK137695A HK137695A (en) | 1989-03-06 | 1995-08-31 | Liquid developer systems with self-replenishment of bulk conductivity |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0462174B1 (fr) |
CA (1) | CA2047675C (fr) |
DE (1) | DE69012987T2 (fr) |
HK (1) | HK137695A (fr) |
WO (1) | WO1990010894A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7144671B2 (en) | 2003-09-30 | 2006-12-05 | Samsung Electronics Company | Adjuvants for negatively charged toners |
US7070900B2 (en) * | 2003-09-30 | 2006-07-04 | Samsung Electronics Company | Adjuvants for positively charged toners |
US7118842B2 (en) | 2003-09-30 | 2006-10-10 | Samsung Electronics Company | Charge adjuvant delivery system and methods |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3669886A (en) * | 1968-09-11 | 1972-06-13 | Hunt Chem Corp Philip A | Liquid developer for electrostatography |
US4003500A (en) * | 1970-12-31 | 1977-01-18 | Hoechst Aktiengesellschaft | Metering device |
US4193683A (en) * | 1978-08-21 | 1980-03-18 | Langner Fred R | Method and apparatus for filtering developing liquid in a photocopier |
DE3788833T2 (de) * | 1986-02-14 | 1994-05-11 | Indigo Nv | Regulierung des lastverteilers eines flüssigen entwicklers. |
US4707429A (en) * | 1986-04-30 | 1987-11-17 | E. I. Du Pont De Nemours And Company | Metallic soap as adjuvant for electrostatic liquid developer |
US4860050A (en) * | 1986-07-28 | 1989-08-22 | Ricoh Company, Ltd. | Developing replenisher material for use in image forming device |
US4656966A (en) * | 1986-08-04 | 1987-04-14 | Eastman Kodak Company | Method and apparatus for developing electrographic images uses molecular sieve zeolite |
US4785327A (en) * | 1987-09-03 | 1988-11-15 | Savin Corporation | Pneumatic charge director dispensing apparatus |
US4812382A (en) * | 1987-12-17 | 1989-03-14 | Eastman Kodak Company | Electrostatographic toners and developers containing new charge-control agents |
US4869991A (en) * | 1988-03-24 | 1989-09-26 | Olin Hunt Specialty Products Inc. | Charge director composition for liquid toner formulations |
-
1990
- 1990-03-05 CA CA002047675A patent/CA2047675C/fr not_active Expired - Fee Related
- 1990-03-05 WO PCT/NL1990/000025 patent/WO1990010894A1/fr active IP Right Grant
- 1990-03-05 EP EP90904452A patent/EP0462174B1/fr not_active Expired - Lifetime
- 1990-03-05 DE DE69012987T patent/DE69012987T2/de not_active Expired - Fee Related
-
1995
- 1995-08-31 HK HK137695A patent/HK137695A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69012987T2 (de) | 1995-05-04 |
EP0462174A1 (fr) | 1991-12-27 |
CA2047675C (fr) | 1998-08-11 |
EP0462174B1 (fr) | 1994-09-28 |
CA2047675A1 (fr) | 1990-09-07 |
WO1990010894A1 (fr) | 1990-09-20 |
DE69012987D1 (de) | 1994-11-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20050305 |