US4065306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron beam recording media containing 4,4'-bis(3-diazo-3,4-dihydro-4-oxo-1-naphthalene-sulfonyloxy)benzil
Assignee: RCA Corp
•
Filing: 1976-08-23
•
Granted: 1977-12-27
•
Expires: 1996-08-23
Abstract
Abstract Recording media comprising a mixture of 4,4'-bis(3-diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonyloxy)benzil and an alkali soluble resin are suitable for recording information with electron beams. These recording media have high sensitivity, high resolving power and can be reproducibly formulated.
Inventors
- 👤 Daniel Louis Ross
- 👤 Lucian Anthony Barton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:41
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/022; Y; Y10; Y10S; Y10S430/00; Y10S430/143
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
31 words
A medium for electron beam recording which comprises a mixture containing from about 1 to about 50% by weight of an active compound of the structure ##STR8## and an alkali-soluble resin.
Claim 2
Independent Claim
31 words
A medium for electron beam recording which comprises a mixture containing from about 1 to about 50% by weight of an active compound of the structure ##STR8## and an alkali-soluble resin.
Claim 3
Dependent Claim
27 words
A medium according to claim 1 wherein the alkali-soluble resin is selected from the group consisting of novolaks, cellulose derivatives and homopolymers and copolymers of vinyl acetate.
Claim 4
Dependent Claim
14 words
A medium according to claim 1 wherein the alkali-soluble resin is a novolak resin.
Claim 5
Dependent Claim
15 words
A medium according to claim 1 wherein the alkali-soluble resin is a cresol-formaldehyde novolak resin.
Claim 6
Dependent Claim
21 words
A medium according to claim 4 wherein the mixture contains from about 10 to 20% by weight of the active compound.
Claim 7
Dependent Claim
23 words
A medium according to claim 1 wherein the mixture of active compound and alkali-soluble resin is deposited as a film on a support.
Claim 8
Independent Claim
23 words
A medium according to claimd 4 wherein the mixture of active compound and alkali-soluble resin is deposited as a film on a support.
Claim 9
Dependent Claim
23 words
A medium according to claim 5 wherein the mixture of active compound and alkali-soluble resin is deposited as a film on a support.
Claim 10
Dependent Claim
1 words
4,4'-bis(3-diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonyloxy)benzil.
Claim 11
Dependent Claim
1 words
4,4'-bis(3-diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonyloxy)benzil.
References Cited (Backward Citations)
US3046110A
Cited
US3046118A
Cited
US3046119A
Cited
US2636022A
Cited
US2975053A
Cited
US3130048A
Cited
US3301698A
Cited
US3634086A
Cited
US3703400A
Cited
US3717461A
Cited
US3852771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-12-26 | 1981-06-27 | 1981-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-26 | 1985-06-27 | 1985-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-26 | 1989-06-27 | 1989-12-27 | $7700.00 | Window Closed / Lapsed |