US3690926A
Expired / Lapsed
US
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Polyester fibres coated with an n-glycidyl compound embedded in a rubber matrix
Assignee: Inventa AG fuer Forschung und Patentverwertung
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Filing: 1970-06-11
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Granted: 1972-09-12
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Expires: 1990-06-11
Abstract
Abstract THE TREATMENT OF POLYESTERS FIBRES WITH N-GLCIDYL COMPOUNDS TO IMPROVE THE ADHESION OF THE POLYESTER TO A RUBBER MATRIX.
Inventors
- 👤 Matthias J Wampetich
- 👤 Wolfgang Griehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:31
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/28; C08J2321/00
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) | 1975-09-12 | 1976-03-13 | 1976-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-12 | 1980-03-13 | 1980-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-12 | 1984-03-13 | 1984-09-12 | $7700.00 | Window Closed / Lapsed |