Patent US3766111A successfully refreshed from Google Patents.
US3766111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester moulding and coating materials which can be set by ultraviolet irradiation
Assignee: Bayer AG
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Filing: 1972-07-27
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Granted: 1973-10-16
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Expires: 1992-07-27
Abstract
Abstract THE INVENTION RELATES TO MOULDING AND COATING COMPOSITIONS WHICH CAN BE SET BY U.V. IRRADIATION COMPRISING MIXTURES OF UNSATURATED POLYESTERS AND COPOLYMERISABLE MONOMERIC COMPOUNDS, SENSITIZED BY AN EFFECTIVE AMOUNT OF BENZOIN ETHERS OF PRIMARY ALCOHOLS AND STABILIZED BY AN EFFECTIVE AMOUNT OF COPPER COMPOUNDS. THE COMPOSITIONS ARE DISTINGUISHED BY A HIGH STORAGE STABILITY IN THE DARK AND A HIGH REACTIVITY UNDER U.V. RADIATION, WHILE THE CURING VELOCITY IS ADDITIONALLY INCREASED BY INFRARED RAYS.
Inventors
- 👤 W Metzner
- 👤 H Rudolph
- 👤 K Fuhr
- 👤 H Schnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:24
CPC Classifications
C; C08; C08F; 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) | 1976-10-15 | 1977-04-16 | 1977-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-15 | 1981-04-16 | 1981-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-15 | 1985-04-16 | 1985-10-16 | $7700.00 | Window Closed / Lapsed |