US3352675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photopolymerization of vinyl monomers by means of ferric salts of organic acids
Assignee: GAF Chemicals Corp
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Filing: 1964-04-02
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Granted: 1967-11-14
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Expires: 1984-04-02
Abstract
No abstract record available.
Inventors
- 👤 Cerwonka Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:40
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/029; C; C08; C08F; C08F2/00; C08F2/46; C08F251/00; C08F251/02; C08F261/00; C08F261/02; C08F261/04; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A LIGHT-SENSITIVE PHOTOGRAPHIC ELEMENT COMPRISING A BASE COATED WITH A WATER-SOLUBLE COLLOIDAL CARRIER HAVING DISPERSED THEREIN AN ETHYLENICALLY UNSATURATED MONOMER CONTAINING THE GROUP CH2=C< AND FERRIC SALT OF A BENZILIC ACID AS THE SOLE POLYMERIZATION CATALYST.
Claim 2
Dependent Claim
36 words
A LIGHT-SENSITIVE PHOTOGRAPHIC ELEMENT COMPRISING A BASE COATED WITH A WATER-SOLUBLE COLLOIDAL CARRIER HAVING DISPERSED THEREIN AN ETHYLENICALLY UNSATURATED MONOMER CONTAINING THE GROUP CH2=C< AND FERRIC SALT OF A BENZILIC ACID AS THE SOLE POLYMERIZATION CATALYST.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |