US3274226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis(alkoxyisocyanatophenyl)methane compounds
Assignee: MONSTANTO CHEMICALS Ltd
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Filing: 1963-07-30
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Granted: 1966-09-20
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Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 Long Frank
- 👤 Roberts Ryland James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:04
CPC Classifications
C; C07; C07C; C07C265/00; C07C265/12; C07C205/00; C07C205/13; C07C205/26; C07C205/27; C07C205/35; C07C205/36; C07C205/37; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/77; C08G18/771
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BIS(2-ALKOXY-5-ISOCYANATOPHENYL)METHANE, BIS(2-ALKOXY3-ISOCYANATOPHENYL)METHANE, AND BIS(3-ALKOXY-4-ISOCYANATOTOPHENYL)METHANE WHEREIN SAID ALKOXY GROUP HAS FROM 2 TO 10 CARBON ATOMS.
Claim 2
Dependent Claim
23 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BIS(2-ALKOXY-5-ISOCYANATOPHENYL)METHANE, BIS(2-ALKOXY3-ISOCYANATOPHENYL)METHANE, AND BIS(3-ALKOXY-4-ISOCYANATOTOPHENYL)METHANE WHEREIN SAID ALKOXY GROUP HAS FROM 2 TO 10 CARBON ATOMS.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |