US3763110A
Expired / Lapsed
US
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Adhesives containing diphenylmethane tetraisocyanate derivatives
Assignee: Bayer AG
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Filing: 1972-09-01
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Granted: 1973-10-02
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Expires: 1992-09-01
Abstract
Abstract COMPOSITIONS USEFUL AS ADHESIVES HAVING IMPROVED BONDING CHARACTERISTICS ARE PREPARED FROM NATURAL OR SYNTHETIC RUBBER BINDERS AND A DIPHENYLMETHANE TETRAISOCYANATE DERIVATIVE.
Inventors
- 👤 M Dollhausen
- 👤 E Bock
- 👤 G Oertel
- 👤 H Holtschmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:57
CPC Classifications
C; C09; C09J; C09J121/00; C07; C07C; C07C265/00; C07C265/12; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G18/28; C08G18/67; C08G18/69; C08G18/70; C08G18/72; C08G18/74; C08G18/76; C08G18/7657; C08G18/7664; C08G18/7671; C09J175/00; C08K; C08K5/00; C08K5/16; C08K5/29
Claims Analysis
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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) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |