Patent US3201255A successfully refreshed from Google Patents.
US3201255A
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Photopolymerization of vinyl monomers by means of thallium compounds as catalysts
Assignee: GAF Chemicals Corp
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Filing: 1959-08-19
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Granted: 1965-08-17
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Expires: 1979-08-19
Abstract
No abstract record available.
Inventors
- 👤 Fritz W H Mueller
- 👤 Curt B Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:13
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/029; C; C08; C08F; C08F2/00; C08F2/46; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PROCESS OF PRODUCING BY PHOTOPOLYMERIZATION A POLYMERIC PHOTOGRAPHIC IMAGE WHICH COMPRISES IRRADIATING AT ATMOSPHERE PRESSURE TO A PATTERN OF ELECTROMAGNETIC RADIATION HAVING A WAVE LENGTH OF FROM 10-1 TO 10-10 CENTIMETERS OF A PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT HAVING THEREON A RADIATION SENSITIVE LAYER COMPRISING A POLYMERIZABLE COMPOUND CONTAINING THE GROUPING
Claim 2
Dependent Claim
78 words
A PROCESS OF PRODUCING BY PHOTOPOLYMERIZATION A POLYMERIC PHOTOGRAPHIC IMAGE WHICH COMPRISES IRRADIATING AT ATMOSPHERIC PRESSURE TO A PATTERN OF ELECTROMAGNETIC RADIATION HAVING A WAVE LENGTH OF FROM 10-1 TO 10-10 CENTIMETERS, A PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT HAVING THEREON A RADIATION SENSITIVE LAYER COMPRISING A POLYMERIZABLE COMPOUND CONTAINING THE GROUPING CH2=C< AND A COLLOIDAL CARRIER THEREIN AND AS THE SOLE CATALYST FOR THE PHOTOPOLYMERIZATION, A RADIATION SENSITIVE MATERIAL CONSISTING OF THALLOUS COMPOUNDS ADMIXED WITH A SENSITIZING DYE.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |