US3099558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photopolymerization of vinyl monomers by means of a radiation absorbing component in the presence of a diazonium compound
Assignee: GAF Chemicals Corp
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Filing: 1959-06-26
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Granted: 1963-07-30
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Expires: 1979-06-26
Abstract
No abstract record available.
Inventors
- 👤 Levinos Steven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:53
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/031; C; C08; C08F; C08F2/00; C08F2/46; G03F7/029; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A PROCESS OF PRODUCING BY PHOTOPOLYMERIZATION A POLYMERIC PHOTOGRAPHIC IMAGE WHICH COMPRISES IRRADIATING TO ELECTROMAGNETIC RADIATION HAVING A WAVE LENGTH EXTENDING FROM THE ULTRAVIOLET THROUGH THE VISIBLE REGION, A PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT HAVING THERE ON A RADIATION SENTITIVE LAYER COMPRISING A NORMALLY LIQUID TO NORMALLY SOLID MONOMER CONTAINING THE GROUPING CH2=C$ ATTACHED DIRECTLY TO AN ELECTROEGATIVE GROUP AND A COLLOID CARRIER THEREFOR AND AS THE SOLE CATALYST FOR SAID PHOTOPOLYMERIZATION A MIXTURE CONSISTING ESSENTIALLY OF (1) A LIGHT-SENSITIVE AROMATIC DIAZONIUM COMPOUND AND (2) A DYE SELECTED FROM THE CLASS CONSISTING OF AZO DYES, CYANINE DYES, AZANOL DYES, OXANOL DYES, STYRYL DYES, HEMICYANINE DYES AND MEROCYANINE DYES, THEREBY POLYMERIZING THE MONOMER IN THE EXPOSED AREAS, AND THEN REMOVING THE RESIDUAL MONOMER IN THE UNEXPOSED AREAS BY WASHING.
Claim 2
Dependent Claim
128 words
A PROCESS OF PRODUCING BY PHOTOPOLYMERIZATION A POLYMERIC PHOTOGRAPHIC IMAGE WHICH COMPRISES IRRADIATING TO ELECTROMAGNETIC RADIATION HAVING A WAVE LENGTH EXTENDING FROM THE ULTRAVIOLET THROUGH THE VISIBLE REGION, A PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT HAVING THERE ON A RADIATION SENTITIVE LAYER COMPRISING A NORMALLY LIQUID TO NORMALLY SOLID MONOMER CONTAINING THE GROUPING CH2=C$ ATTACHED DIRECTLY TO AN ELECTROEGATIVE GROUP AND A COLLOID CARRIER THEREFOR AND AS THE SOLE CATALYST FOR SAID PHOTOPOLYMERIZATION A MIXTURE CONSISTING ESSENTIALLY OF (1) A LIGHT-SENSITIVE AROMATIC DIAZONIUM COMPOUND AND (2) A DYE SELECTED FROM THE CLASS CONSISTING OF AZO DYES, CYANINE DYES, AZANOL DYES, OXANOL DYES, STYRYL DYES, HEMICYANINE DYES AND MEROCYANINE DYES, THEREBY POLYMERIZING THE MONOMER IN THE EXPOSED AREAS, AND THEN REMOVING THE RESIDUAL MONOMER IN THE UNEXPOSED AREAS BY WASHING.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |