Patent US3814727A successfully refreshed from Google Patents.
US3814727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozone-resistant odorless vulcanizates
Assignee: Bayer AG
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Filing: 1972-09-13
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Granted: 1974-06-04
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Expires: 1992-09-13
Abstract
Abstract OBJECT OF THE INVENTION IS A PROCESS FOR THE PRODUCTION OF ODORLESS OZONE-RESISTANT RUBBER ARTICLES BY ADDING TO THE ANTI-OZONANT OF THE GENERAL FORMULA 1-R2,2-R3,3,6-(-(CH2)M-),4-(R1-X-CH=)CYCLOHEXENE A DEODORANT OF THE FORMULA FP@ R-CO-NH-NH2 THE DEODORANT ENABLES THE TROUBLESOME NATURAL ODOR TO BE COMPLETELY ELIMINATED.
Inventors
- 👤 P Hartmann
- 👤 W Redetzky
- 👤 K Wagner
- 👤 T Kempermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:24
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/22; C08K5/24; C08K5/25; C08K5/04; C08K5/06; C08K5/36; C08K5/37; C08K5/372; Y; Y10; Y10S; Y10S524/00; Y10S524/925
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) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |