US3709984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoreactive titanium dioxide material
Assignee: NL Chemicals Inc
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Filing: 1967-06-26
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Granted: 1973-01-09
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Expires: 1987-06-26
Abstract
Abstract THIS INVENTION RELATES IN GENERAL TO THE PREPARATION OF TITANIUM DIOXIDE MATERIAL WHICH POSSESSES PHOTOSENSITIVE PROPERTIES. MORE SPECIFICALLY IT RELATES TO A PARTICULAR TYPE OF PHOTOSENSITIVE TITANIUM DIOXIDE MATERIAL WHICH POSSESSES SUFFICIENT PHOTOREACTIVE PROPERTIES TO BE COMMERCIALLY USEFUL IN SYSTEMS DESIGNED TO RESPOND TO EXPOSURE TO LIGHT I.E., PHOTOGRAPHIC EMULSIONS, COPY PAPER AND THE LIKE.
Inventors
- 👤 H Dantro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:28
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/36; C09C1/3607; C09C1/3615; C09C1/363; B; B82; B82Y; B82Y30/00; C09C1/3692; C09C3/00; C09C3/04; C09C3/041; C09C3/043; C09C3/06; G; G03; G03C; G03C1/00; G03C1/705; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/62; C01P2004/64; C01P2006/00; C01P2006/12; C01P2006/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |