US3149975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photopolymerizable compositions and elements
Assignee: EIDP Inc
•
Filing: 1962-07-06
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Granted: 1964-09-22
•
Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Notley Norman Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:50
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; C; C08; C08B; C08B15/00; C08B15/05; C08B15/06; C08B3/00; C08F; C08F251/00; C08F251/02; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PHOTOPOLYMERIZABLE COMPOSITION COMPRISING AN ADMIXTURE OF PREFORMED CONSTITUENTS INCLUDING (1) AT LEAST ONE ADDITION POLYMERIZABLE ETHYLENICALLY UNSATURATED COMPOUND CONTAINING AT LEAST ONE TERMINAL ETHYLENIC GROUP CAPABLE OF FORMING A HIGH POLYMER BY PHOTOINITIATED ADDITION POLYMERIZATION, AND (2) INITIATING AMOUNTS OF A POLYMERIC POLYNUCLEAR QUINONE HAVING A PLURALITY OF RECURRING POLYMER UNITS FORMING A CARBOHYDRATE NUCLEUS TO WHICH THERE ARE JOINED THROUGH A LINKAGE SELECED FROM THE GROUP CONSISTING OF AMIDE, ESTER, ETHER AND URETHANE LINKAGES A POLYNUCLEAR QUINONE RADICAL, SAID RADICAL BEING PENDANT TO THE POLYMERIC CHAIN OF SAID CARBOHYDRATE NUCLEUS.
Claim 2
Dependent Claim
92 words
A PHOTOPOLYMERIZABLE COMPOSITION COMPRISING AN ADMIXTURE OF PREFORMED CONSTITUENTS INCLUDING (1) AT LEAST ONE ADDITION POLYMERIZABLE ETHYLENICALLY UNSATURATED COMPOUND CONTAINING AT LEAST ONE TERMINAL ETHYLENIC GROUP CAPABLE OF FORMING A HIGH POLYMER BY PHOTOINITIATED ADDITION POLYMERIZATION, AND (2) INITIATING AMOUNTS OF A POLYMERIC POLYNUCLEAR QUINONE HAVING A PLURALITY OF RECURRING POLYMER UNITS FORMING A CARBOHYDRATE NUCLEUS TO WHICH THERE ARE JOINED THROUGH A LINKAGE SELECED FROM THE GROUP CONSISTING OF AMIDE, ESTER, ETHER AND URETHANE LINKAGES A POLYNUCLEAR QUINONE RADICAL, SAID RADICAL BEING PENDANT TO THE POLYMERIC CHAIN OF SAID CARBOHYDRATE NUCLEUS.
References Cited (Backward Citations)
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US2934544A
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US3024180A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |