US3615560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of manufacturing photosensitive materials
Assignee: US Philips Corp
•
Filing: 1968-11-18
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Granted: 1971-10-26
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Expires: 1988-11-18
Abstract
Abstract Provide a noncrystalline photosensitive layer on a nonsaponifiable nonwater-impregnable base. Between the base and photosensitive film there is sandwiched an adhesive containing an elastomer.
Inventors
- 👤 Hendrik Jonker
- 👤 Theodorus Petrus Ger Thijssens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:01
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/52; G03C1/62
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
13 words
The photosensitive element of claim 1 wherein the photosensitive compound is a diazosulfonate.
Claim 2
Dependent Claim
13 words
The photosensitive element of claim 1 wherein the base is transparent to light.
Claim 3
Dependent Claim
24 words
The photosensitive element of claim 3 wherein both surfaces of the base are in contact with the adhesive substrate and the light sensitive layer.
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) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |