US3582487A
Expired / Lapsed
US
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Polyester moulding and coating compositions hardening by ultra-violet radiation in the presence of a benzoin aryl ether photosensitizer
Assignee: Bayer AG
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Filing: 1969-05-26
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Granted: 1971-06-01
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Expires: 1989-05-26
Abstract
Abstract THE PRESENT INVENTION RELATES TO MOULDING AND COATING COMPOSITIONS HARDENING BY UNTRA-VIOLET IRRADIATION AND OBTAINED FROM MIXTURES OF UNSATURATED POLYESTERS AND COPOLYMERISABLE MONOMERIC COMPOUNDS WITH A CONTENT OF BENZOIN ARYL ETHERS AS PHOTOSENSITIZERS.
Inventors
- 👤 Karl Fuhr
- 👤 Hans Rudolph
- 👤 Wolfgang Metzner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:45
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/01; Y; Y10; Y10S; Y10S525/00; Y10S525/904
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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |