US3782952A
Expired / Lapsed
US
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Light-sensitive composition of a tetra (epoxy-propoxyphenyl)-lower alkane and an initiator
Assignee: Polychrome Corp
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Filing: 1971-04-01
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Granted: 1974-01-01
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Expires: 1991-04-01
Abstract
Abstract A LIGHT-SENSITIVE COMPOSITION COMPRISING A TETRA (EXPOXYPROPOXYPHENYL)-LOWER ALKANE AND A LIGHT-ACTIVATED POLYMERIZATION INITIATOR.
Inventors
- 👤 E Golda
- 👤 D Bown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:34
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/32; C08G59/3218; G03F7/04; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |