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US3636026A
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Benzoin-silyl-esters
Assignee: Bayer AG
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Filing: 1969-10-20
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Granted: 1972-01-18
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Expires: 1989-10-20
Abstract
Abstract THE INVENTION RELATES TO POSSIBLY X-SUBSTITUTED BENZOINSILY-ESTERS WHICH ARE USEFUL PHOTOSENSITISERS FOR THE PHOTOPOLYMERISATION OF POLYMERISABLE COMPOUNDS OR COMPOUND MIXTURES INCLUDING MIXTURES OF UNSATURATED POLYESTERS AND COPOLYMERISABLE MONOMERIC COMPOUNDS.
Inventors
- 👤 Karl Fuhr
- 👤 Hugo Vernaleken
- 👤 Hans-Georg Heine
- 👤 Hans Rudolph
- 👤 Hermann Schnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:10
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/46; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C08F283/00; C08F283/01
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) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |