ES410171A1 - Un proceso para producir copias positivas y negativas de originales tanto positivos como negativos. - Google Patents
Un proceso para producir copias positivas y negativas de originales tanto positivos como negativos.Info
- Publication number
- ES410171A1 ES410171A1 ES410171A ES410171A ES410171A1 ES 410171 A1 ES410171 A1 ES 410171A1 ES 410171 A ES410171 A ES 410171A ES 410171 A ES410171 A ES 410171A ES 410171 A1 ES410171 A1 ES 410171A1
- Authority
- ES
- Spain
- Prior art keywords
- toner
- polarity
- positive
- negative
- deposited
- 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.)
- Expired
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
-
- 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
- G03G9/10—Developers with toner particles characterised by carrier particles
-
- 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
- G03G9/10—Developers with toner particles characterised by carrier particles
- G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
- G03G9/1075—Structural characteristics of the carrier particles, e.g. shape or crystallographic structure
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Developing Agents For Electrophotography (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21449171A | 1971-12-30 | 1971-12-30 | |
US274394A US3926824A (en) | 1971-12-30 | 1972-07-24 | Electrostatographic developer composition |
Publications (1)
Publication Number | Publication Date |
---|---|
ES410171A1 true ES410171A1 (es) | 1976-07-01 |
Family
ID=26909057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES410171A Expired ES410171A1 (es) | 1971-12-30 | 1972-12-29 | Un proceso para producir copias positivas y negativas de originales tanto positivos como negativos. |
Country Status (13)
Country | Link |
---|---|
US (1) | US3926824A (es) |
JP (1) | JPS4878932A (es) |
AR (1) | AR192480A1 (es) |
AU (1) | AU466319B2 (es) |
BE (1) | BE793098A (es) |
CA (1) | CA985552A (es) |
DE (1) | DE2253409A1 (es) |
ES (1) | ES410171A1 (es) |
FR (1) | FR2170490A5 (es) |
GB (1) | GB1417179A (es) |
IT (1) | IT973327B (es) |
NL (1) | NL7217694A (es) |
SE (1) | SE383931B (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5341231A (en) * | 1976-09-28 | 1978-04-14 | Nippon Telegr & Teleph Corp <Ntt> | Electret toner of two-ingredient system |
JPS5391744A (en) * | 1977-01-22 | 1978-08-11 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of binary electret toner |
JPS5811621B2 (ja) * | 1978-03-09 | 1983-03-03 | ミノルタ株式会社 | 複写方法 |
JPS5911113B2 (ja) * | 1979-04-20 | 1984-03-13 | 富士通株式会社 | 電子写真式記録装置 |
JPS5624359A (en) | 1979-08-02 | 1981-03-07 | Ricoh Co Ltd | Dry type binary developer for two-color electrophotography |
US4562130A (en) * | 1982-09-28 | 1985-12-31 | Minolta Camera Kabushiki Kaisha | Method of forming composite images |
EP0223594B1 (en) * | 1985-11-19 | 1992-03-11 | Canon Kabushiki Kaisha | Magnetic dry developer |
US4947201A (en) * | 1988-06-06 | 1990-08-07 | Spectrum Sciences | Imaging system |
US4966824A (en) * | 1988-06-06 | 1990-10-30 | Spectrum Sciences | Liquid toner composition containing two different charge directors |
US4912005A (en) * | 1989-01-26 | 1990-03-27 | Xerox Corporation | Toner and developer compositions with conductive carrier components |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2940934A (en) * | 1953-06-22 | 1960-06-14 | Haloid Xerox Inc | Electrostatic developer composition and method therefor |
US2890968A (en) * | 1955-06-02 | 1959-06-16 | Rca Corp | Electrostatic printing process and developer composition therefor |
BE594137A (es) * | 1959-08-17 | |||
US3533835A (en) * | 1966-10-11 | 1970-10-13 | Xerox Corp | Electrostatographic developer mixture |
-
0
- BE BE793098D patent/BE793098A/xx unknown
-
1972
- 1972-07-24 US US274394A patent/US3926824A/en not_active Expired - Lifetime
- 1972-10-17 CA CA154,041A patent/CA985552A/en not_active Expired
- 1972-10-31 AR AR244896A patent/AR192480A1/es active
- 1972-10-31 DE DE2253409A patent/DE2253409A1/de active Pending
- 1972-12-05 JP JP47121937A patent/JPS4878932A/ja active Pending
- 1972-12-20 FR FR7245403A patent/FR2170490A5/fr not_active Expired
- 1972-12-21 GB GB5917672A patent/GB1417179A/en not_active Expired
- 1972-12-27 NL NL7217694A patent/NL7217694A/xx unknown
- 1972-12-27 SE SE7216977A patent/SE383931B/xx unknown
- 1972-12-29 AU AU50636/72A patent/AU466319B2/en not_active Expired
- 1972-12-29 IT IT34025/72A patent/IT973327B/it active
- 1972-12-29 ES ES410171A patent/ES410171A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7217694A (es) | 1973-07-03 |
IT973327B (it) | 1974-06-10 |
AR192480A1 (es) | 1973-02-21 |
JPS4878932A (es) | 1973-10-23 |
CA985552A (en) | 1976-03-16 |
AU5063672A (en) | 1974-07-04 |
DE2253409A1 (de) | 1973-07-05 |
GB1417179A (en) | 1975-12-10 |
FR2170490A5 (es) | 1973-09-14 |
SE383931B (sv) | 1976-04-05 |
US3926824A (en) | 1975-12-16 |
BE793098A (fr) | 1973-06-20 |
AU466319B2 (en) | 1974-07-04 |
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