US3047529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of heat treating rubber and carbon black with a tertiary amine n-oxide or a pyridine n-oxide and resulting process
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1959-02-10
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Granted: 1962-07-31
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Expires: 1979-02-10
Abstract
No abstract record available.
Inventors
- 👤 Leshin Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:17
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/32; C08K5/0008; C08K5/0025; C08K5/34; C08K5/3412; C08K5/3432
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
THE PROCESS WHICH COMPRISES MIXING RUBBER WITH A RELATIVELY LARGE AMOUNT OF A RUBBER REINFORCING CARBON BLACK AND A RELATIVELY SMALL AMOUNT OF AT LEAST ON COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) TERTIARY AMINE N-OXIDES CONFORMING TO THE FOLLOWING STRUCTURE
Claim 2
Dependent Claim
42 words
THE PROCESS WHICH COMPRISES MIXING RUBBER WITH A RELATIVELY LARGE AMOUNT OF A RUBBER REINFORCING CARBON BLACK AND A RELATIVELY SMALL AMOUNT OF AT LEAST ON COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) TERTIARY AMINE N-OXIDES CONFORMING TO THE FOLLOWING STRUCTURE
References Cited (Backward Citations)
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US2315849A
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US2315850A
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US2755258A
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US2790839A
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US2891925A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |