US3936305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color photographic photosensitive material containing ultraviolet ray-absorbing compound
Assignee: Mitsubishi Paper Mills Ltd
•
Filing: 1974-12-02
•
Granted: 1976-02-03
•
Expires: 1994-12-02
Abstract
Abstract Compounds represented by the following general formula are extremely effective as ultraviolet ray-absorbing agent, especially, for color photographic photosensitive materials.
Inventors
- 👤 Shigetoshi Hiraishi
- 👤 Kiyoshi Futaki
- 👤 Shoichi Horii
- 👤 Kiyoshi Yamashita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:31
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/815; G03C1/8155
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
74 words
A color photographic photosensitive material which comprises a support and photographic layers coated thereon, said photographic layers having incorporated therein an ultraviolet ray-absorbing compound represented by the formula: ##SPC5## wherein R 1 is an alkyl group having 1 to 13 carbon atoms, R 2 is an alkyl group having 1 to 18 carbon atoms and X is a member selected from the group consisting of hydrogen, halogens, alkyl, alkoxy, aryloxy, aralkyloxy and aryl groups.
Claim 2
Dependent Claim
74 words
A color photographic photosensitive material which comprises a support and photographic layers coated thereon, said photographic layers having incorporated therein an ultraviolet ray-absorbing compound represented by the formula: ##SPC5## wherein R 1 is an alkyl group having 1 to 13 carbon atoms, R 2 is an alkyl group having 1 to 18 carbon atoms and X is a member selected from the group consisting of hydrogen, halogens, alkyl, alkoxy, aryloxy, aralkyloxy and aryl groups.
Claim 3
Dependent Claim
22 words
A color photographic sensitive material according to claim 1, wherein R 1 is an alkyl group of 5 to 13 carbon atoms.
Claim 4
Dependent Claim
16 words
A color photographic sensitive material according to claim 1 wherein the ultraviolet ray-absorbing compound is: ##SPC6##
Claim 5
Dependent Claim
16 words
A color photographic sensitive material according to claim 1 wherein the ultraviolet ray-absorbing compound is: ##SPC7##
Claim 6
Dependent Claim
25 words
A color photographic photosensitive material according to claim 4, wherein the amount of the ultraviolet ray-absorbing compound incorporated is 50 - 4,000 mg/m 2 .
Claim 7
Dependent Claim
16 words
A color photographic sensitive material according to claim 1 wherein the ultraviolet ray-absorbing compound is: ##SPC8##
Claim 8
Dependent Claim
25 words
A color photographic photosensitive material according to claim 6, wherein the amount of the ultraviolet ray-absorbing compound incorporated is 50 - 4,000 mg/m 2 .
Claim 9
Dependent Claim
16 words
A color photographic sensitive material according to claim 1 wherein the ultraviolet ray-absorbing compound is: ##SPC9##
Claim 10
Dependent Claim
16 words
A color photographic sensitive material according to claim 1 wherein the ultraviolet ray-absorbing compound is: ##SPC10##
Claim 11
Dependent Claim
16 words
A color photographic sensitive material according to claim 1 wherein the ultraviolet ray-absorbing compound is: ##SPC11##
Claim 12
Dependent Claim
16 words
A color photographic sensitive material according to claim 1 wherein the ultraviolet ray-absorbing compound is: ##SPC12##
Claim 13
Dependent Claim
16 words
A color photographic sensitive material according to claim 1 wherein the ultraviolet ray-absorbing compound is: ##SPC13##
Claim 14
Dependent Claim
16 words
A color photographic sensitive material according to claim 1 wherein the ultraviolet ray-absorbing compound is: ##SPC14##
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-02-02 | 1979-08-04 | 1980-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-02 | 1983-08-04 | 1984-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-02 | 1987-08-04 | 1988-02-03 | $7700.00 | Window Closed / Lapsed |