US3607363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing photoconductive material
Assignee: Fujifilm Holdings Corp
•
Filing: 1967-10-17
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Granted: 1971-09-21
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Expires: 1987-10-17
Abstract
Abstract A process for the production of a photoconductive powder, which comprises coating particles of a photoconductive material onto the surface of particles of a core material having an absorption ratio of less than 80 percent, at a thickness of 5 microns, to a light in the main region of the intrinsic sensitivity wave length region in which said photoconductive material exhibits a photoconductive property.
Inventors
- 👤 Shigeru Sadamatsu
- 👤 Hiroyuki Kaneko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:31
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
23 words
A process in accordance with claim 1 where said fluid media includes a binding agent for said core material and said photoconductive powder.
Claim 2
Dependent Claim
52 words
The process in accordance with claim 1 and further comprising forming a fluidized bed of said particles of the core material while maintaining said core material at a temperature lower than room temperature and contacting said fluidized bed of said core material with the vapors of said photoconductive powder and said solvent.
Claim 3
Dependent Claim
23 words
A process in accordance with claim 3 where said fluid media includes a binding agent for said core material and said photoconductive powder.
References Cited (Backward Citations)
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US3317315A
Cited
US3362846A
Cited
US3318697A
Cited
US3338991A
Cited
US3400011A
Cited
US3415548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |