GB8919650D0 - Developer for developing electrostatic image - Google Patents
Developer for developing electrostatic imageInfo
- Publication number
- GB8919650D0 GB8919650D0 GB898919650A GB8919650A GB8919650D0 GB 8919650 D0 GB8919650 D0 GB 8919650D0 GB 898919650 A GB898919650 A GB 898919650A GB 8919650 A GB8919650 A GB 8919650A GB 8919650 D0 GB8919650 D0 GB 8919650D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- developer
- electrostatic image
- developing electrostatic
- developing
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- G03G9/097—Plasticisers; Charge controlling agents
- G03G9/09708—Inorganic compounds
- G03G9/09725—Silicon-oxides; Silicates
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21516288 | 1988-08-31 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8919650D0 true GB8919650D0 (en) | 1989-10-11 |
GB2222463A GB2222463A (en) | 1990-03-07 |
GB2222463B GB2222463B (en) | 1993-05-26 |
Family
ID=16667680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8919650A Expired - Fee Related GB2222463B (en) | 1988-08-31 | 1989-08-31 | Developer for developing electrostatic image |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPH0799438B2 (en) |
DE (1) | DE3928948C2 (en) |
FR (1) | FR2635882B1 (en) |
GB (1) | GB2222463B (en) |
HK (1) | HK12594A (en) |
IT (1) | IT1232172B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2633130B2 (en) * | 1991-03-08 | 1997-07-23 | キヤノン株式会社 | Magnetic toner, image forming method, surface-modified silica fine powder and method for producing the same |
DE102004057997A1 (en) * | 2004-12-01 | 2006-06-08 | Wacker Chemie Ag | Metal oxides with a permanent positive surface charge over a wide pH range |
JP2011081022A (en) * | 2009-09-14 | 2011-04-21 | Ricoh Co Ltd | Electrophotographic toner |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3720617A (en) * | 1970-05-20 | 1973-03-13 | Xerox Corp | An electrostatic developer containing modified silicon dioxide particles |
BE789988A (en) * | 1971-10-12 | 1973-04-12 | Xerox Corp | COMPOSITION OF DEVELOPER AND METHOD FOR ITS USE |
GB2052774B (en) * | 1979-05-16 | 1983-03-16 | Nippon Paint Co Ltd | Toner for electrostatic photography |
GB2114312B (en) * | 1982-02-03 | 1985-11-06 | Konishiroku Photo Ind | Developer for electrostatic latent image |
GB2128764B (en) * | 1982-08-23 | 1986-02-19 | Canon Kk | Electrostatographic developer |
JPS59201063A (en) * | 1983-04-28 | 1984-11-14 | Canon Inc | Developer |
JPS6023863A (en) * | 1983-07-19 | 1985-02-06 | Canon Inc | Formation of image |
JPS60107036A (en) * | 1983-11-15 | 1985-06-12 | Konishiroku Photo Ind Co Ltd | Electrostatic charge image developing toner |
US4702986A (en) * | 1984-08-30 | 1987-10-27 | Canon Kabushiki Kaisha | Electrophotographic method uses toner of polyalkylene and non-magnetic inorganic fine powder |
JPS61116363A (en) * | 1984-11-10 | 1986-06-03 | Fuakoo:Kk | Electrostatic latent image developing dry developer |
JPS61183664A (en) * | 1985-02-08 | 1986-08-16 | Ricoh Co Ltd | Electrostatic charge image developing toner |
JPH083651B2 (en) * | 1986-06-26 | 1996-01-17 | キヤノン株式会社 | Method for producing electrophotographic developer |
JPS6373271A (en) * | 1986-09-17 | 1988-04-02 | Canon Inc | Positively electrifiable developer |
JPH0760273B2 (en) * | 1987-10-26 | 1995-06-28 | キヤノン株式会社 | Magnetic developer |
-
1989
- 1989-08-31 GB GB8919650A patent/GB2222463B/en not_active Expired - Fee Related
- 1989-08-31 IT IT8948317A patent/IT1232172B/en active
- 1989-08-31 FR FR8911448A patent/FR2635882B1/en not_active Expired - Fee Related
- 1989-08-31 DE DE3928948A patent/DE3928948C2/en not_active Expired - Fee Related
- 1989-08-31 JP JP1223139A patent/JPH0799438B2/en not_active Expired - Fee Related
-
1994
- 1994-02-08 HK HK125/94A patent/HK12594A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3928948A1 (en) | 1990-03-01 |
IT8948317A0 (en) | 1989-08-31 |
IT1232172B (en) | 1992-01-25 |
JPH0799438B2 (en) | 1995-10-25 |
FR2635882B1 (en) | 1994-06-03 |
HK12594A (en) | 1994-02-18 |
FR2635882A1 (en) | 1990-03-02 |
JPH02167559A (en) | 1990-06-27 |
GB2222463A (en) | 1990-03-07 |
GB2222463B (en) | 1993-05-26 |
DE3928948C2 (en) | 2000-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
711B | Application made for correction of error (sect. 117/77) | ||
711H | Case decided by the comptr. ** correction allowed (sect. 117/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20080831 |