US3255000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Activated hardening of photographic emulsions
Assignee: Eastman Kodak Co
•
Filing: 1963-02-14
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Granted: 1966-06-07
•
Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Gates
- 👤 Allentoff Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:49
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/30
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
43 words
A METHOD FOR THE ACTIVATED HARDENING OF PHOTOGRAPHIC EMULSION LAYERS WHICH COMPRISES INCORPORATING IN A SILVER HALIDE-GELATIN PHOTOGRAPHIC EMULSION A HARDENING AMOUNT OF 1,3,5-TRIACRYLOYLHEXAHYDRO-S-TRIAZINE, APPLYING THE EMULSION TO A SUPPORT THEREFOR AND AFTER DRYING THE RESULTING LAYER APPLYING THEREOVER A LAYER CONTAINING TRIETHYLAMINE.
Claim 2
Independent Claim
43 words
A METHOD FOR THE ACTIVATED HARDENING OF PHOTOGRAPHIC EMULSION LAYERS WHICH COMPRISES INCORPORATING IN A SILVER HALIDE-GELATIN PHOTOGRAPHIC EMULSION A HARDENING AMOUNT OF 1,3,5-TRIACRYLOYLHEXAHYDRO-S-TRIAZINE, APPLYING THE EMULSION TO A SUPPORT THEREFOR AND AFTER DRYING THE RESULTING LAYER APPLYING THEREOVER A LAYER CONTAINING TRIETHYLAMINE.
Claim 3
Independent Claim
43 words
A METHOD FOR THE ACTIVATED HARDENING OF PHOTOGRAPHIC EMULSION LAYERS WHICH COMPRISES INCORPORATING IN A SILVER HALIDE-GELATIN PHOTOGRAPHIC EMULSION A HARDENING AMOUNT OF ARYLOXYETHYLCARBAMYL-SUBSTITUTED GELATIN, COATING THE EMULSION ONTO A SUPPORT AND AFTER DRYING THE RESULTING LAYER APPLYING THEREOVER A LAYER OF TRIETHYLAMINE.
Claim 4
Independent Claim
43 words
A METHOD FOR THE ACTIVATED HARDENING OF PHOTOGRAPHIC EMULSION LAYERS WHICH COMPRISES INCORPORATING IN A SILVER HALIDE-GELATIN PHOTOGRAPHIC EMULSION A HARDENING AMOUNT OF ARYLOXYETHYLCARBAMYL-SUBSTITUTED GELATIN, COATING THE EMULSION ONTO A SUPPORT AND AFTER DRYING THE RESULTING LAYER APPLYING THEREOVER A LAYER OF TRIETHYLAMINE.
Claim 5
Independent Claim
96 words
A METHOD FOR THE ACTIVATED HARDENING OF PHOTOGRAPHIC EMULSION LAYERS WHICH COMPRISES INCORPORATIG IN THE EMULSION TO BE COATED ONTO A SUPPORT A HARDENER FOR THE VEHICLE THEREOF COMPRISING A COMPOUND CHARACTERIZED BY THE PRESENCE OF A DOUBLE BOND ALPHA TO A CARBONYL OR A SULFONYL OF AN ACID, ESTER OR AMIDE RADICAL WHICH CONTAINS A CARBONYL, A SULFONYL OR BOHT AND AFTER THE EMULSION HAS BEEN APPLIED TO THE SUPPORT AND THE RESULTING LAYER HAS BEEN DRIED APPLYING THEREOVER A LAYER CONTAINING AN ORGANIC BASE HAVING A BOILING POINT OF NO MORE THAN APPROXIMATELY 125*C.
Claim 6
Independent Claim
96 words
A METHOD FOR THE ACTIVATED HARDENING OF PHOTOGRAPHIC EMULSION LAYERS WHICH COMPRISES INCORPORATIG IN THE EMULSION TO BE COATED ONTO A SUPPORT A HARDENER FOR THE VEHICLE THEREOF COMPRISING A COMPOUND CHARACTERIZED BY THE PRESENCE OF A DOUBLE BOND ALPHA TO A CARBONYL OR A SULFONYL OF AN ACID, ESTER OR AMIDE RADICAL WHICH CONTAINS A CARBONYL, A SULFONYL OR BOHT AND AFTER THE EMULSION HAS BEEN APPLIED TO THE SUPPORT AND THE RESULTING LAYER HAS BEEN DRIED APPLYING THEREOVER A LAYER CONTAINING AN ORGANIC BASE HAVING A BOILING POINT OF NO MORE THAN APPROXIMATELY 125*C.
Claim 7
Independent Claim
84 words
A METHOD FOR THE ACTIVATED HARDENING OF PHOTOGRAPHIC EMULSION LAYERS WHICH COMPRISES INCORPORATING IN THE EMULSION TO BE COATED ONTO A SUPPORT A HARDENER FOR THE VEHICLE THEREOF COMPRISING A COMPOUND CHARACTERIZED BY THE PRESENCE OF A DOUBLE BOND ALPHA TO A CARBONYL OR A SULFONYL OF AN ACID, ESTER OR AMIDE RADICAL WHICH CONTAINS A CARBONYL, A SULFONYL OR BOTH AND AFTER THE EMULSION HAS BEEN APPLIED TO THE SUPPORT AND THE RESULTING LAYER HAS BEEN DRIED APPLYING THEREOVER A LAYER CONTAINING TRIETHYLAMINE.
Claim 8
Independent Claim
84 words
A METHOD FOR THE ACTIVATED HARDENING OF PHOTOGRAPHIC EMULSION LAYERS WHICH COMPRISES INCORPORATING IN THE EMULSION TO BE COATED ONTO A SUPPORT A HARDENER FOR THE VEHICLE THEREOF COMPRISING A COMPOUND CHARACTERIZED BY THE PRESENCE OF A DOUBLE BOND ALPHA TO A CARBONYL OR A SULFONYL OF AN ACID, ESTER OR AMIDE RADICAL WHICH CONTAINS A CARBONYL, A SULFONYL OR BOTH AND AFTER THE EMULSION HAS BEEN APPLIED TO THE SUPPORT AND THE RESULTING LAYER HAS BEEN DRIED APPLYING THEREOVER A LAYER CONTAINING TRIETHYLAMINE.
References Cited (Backward Citations)
DE1090427B
Cited
GB860323A
Cited
US2994611A
Cited
US3061436A
Cited
US2973285A
Cited
US3085897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |