US3025162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimension stabilized fixed photographic type emulsion and a method for producing same
Assignee: Individual
•
Filing: 1958-05-28
•
Granted: 1962-03-13
•
Expires: 1978-05-28
Abstract
No abstract record available.
Inventors
- 👤 Francis C Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:19
CPC Classifications
G; G03; G03C; G03C11/00; G03C11/08; Y; Y10; Y10S; Y10S430/00; Y10S430/143; Y10S430/154
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A PROCESS FOR ADJUSTING AND STABILIZING THE DIMENSIONS OF GELATIN BASE EMULSIONS, COMPRISING THE STEPS OF EXPOSING A SILVER HALIDE GELATIN BASE PHOTOGRAPHIC-TYPE EMULSION TO RADIATIONS WHICH SENSITIZE THE SILVER HALIDE THEREIN, DEVELOPING SAID EMULSION, FIXING SAID EMULSION, CONTACTING SAID EMULSION WITH A SOLUTION OF WOOD ROSIN DISSOLVED IN ETHYL ALCOHOL AND THEREAFTER EVAPORATING SAID SOLVENT.
Claim 2
Dependent Claim
56 words
A PROCESS FOR ADJUSTING AND STABILIZING THE DIMENSIONS OF GELATIN BASE EMULSIONS, COMPRISING THE STEPS OF EXPOSING A SILVER HALIDE GELATIN BASE PHOTOGRAPHIC-TYPE EMULSION TO RADIATIONS WHICH SENSITIZE THE SILVER HALIDE THEREIN, DEVELOPING SAID EMULSION, FIXING SAID EMULSION, CONTACTING SAID EMULSION WITH A SOLUTION OF WOOD ROSIN DISSOLVED IN ETHYL ALCOHOL AND THEREAFTER EVAPORATING SAID SOLVENT.
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) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |