US3117168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylated di-p-xylylenes
Assignee: Union Carbide Corp
•
Filing: 1960-08-19
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Granted: 1964-01-07
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Expires: 1980-08-19
Abstract
No abstract record available.
Inventors
- 👤 William F Gorham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:12
CPC Classifications
C; C07; C07C; C07C13/00; C07C13/28; C07C13/32; C07C13/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AN ALKYLATED CYCLIC DI-P-XYLYLENE HAVING THE STRUCTURE:
Claim 2
Dependent Claim
7 words
AN ALKYLATED CYCLIC DI-P-XYLYLENE HAVING THE STRUCTURE:
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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |