US3183273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tri-substituted phenols having alkyl, tertiary alkyl, and aralkyl substituents
Assignee: Goodyear Tire and Rubber Co
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Filing: 1960-07-26
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Granted: 1965-05-11
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Expires: 1980-07-26
Abstract
No abstract record available.
Inventors
- 👤 Ronald B Spacht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:29
CPC Classifications
C; C07; C07C; C07C39/00; C07C39/12; C07C39/15; C07C37/00; C07C37/11; C07C37/14; C08; C08K; C08K5/00; C08K5/04; C08K5/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AS COMPOSITON OF MATTER, A TRI-SUBSTITUTED PHENOL HAVING THE ORTHO POSITONS SUBSTITUTED WITH (A) AN ARALKYL SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF ALPHA PHENYL ALKYL RADICALS AND BENZYL RADICALS AND (B) A TERTIARY ALKYL SUBSTITUENT HAVING AT LEAST 4 BUT NOT OVER 12 CARBON ATOMS AND THE PARA POSITION SUBSTITUTED WITH A METHYL RADICAL.
Claim 2
Dependent Claim
55 words
AS COMPOSITON OF MATTER, A TRI-SUBSTITUTED PHENOL HAVING THE ORTHO POSITONS SUBSTITUTED WITH (A) AN ARALKYL SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF ALPHA PHENYL ALKYL RADICALS AND BENZYL RADICALS AND (B) A TERTIARY ALKYL SUBSTITUENT HAVING AT LEAST 4 BUT NOT OVER 12 CARBON ATOMS AND THE PARA POSITION SUBSTITUTED WITH A METHYL RADICAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |