US3247236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of isocyanates
Assignee: Standard Oil Co
•
Filing: 1962-03-19
•
Granted: 1966-04-19
•
Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Leon M Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:34
CPC Classifications
C; C07; C07C; C07C265/00; C07C265/14; C07C263/00; C07C263/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A COMPOSITION CONSISTING OF A LIQUID ORGANIC ISOCYANATE, HAVING ONLY ISOCYANATO SUBSTITUENT GROUPS, CONTAINING FROM ABOUT 0.01 TO ABOUT 1.0 WEIGHT PERCENT OF A NORMALLY GASEOUS ACIDIC OXIDE SELECTED FROM THE GROUP CONSISTING OF CARBON DIOXIDE AND SULFUR DIXOIDE.
Claim 2
Dependent Claim
39 words
A COMPOSITION CONSISTING OF A LIQUID ORGANIC ISOCYANATE, HAVING ONLY ISOCYANATO SUBSTITUENT GROUPS, CONTAINING FROM ABOUT 0.01 TO ABOUT 1.0 WEIGHT PERCENT OF A NORMALLY GASEOUS ACIDIC OXIDE SELECTED FROM THE GROUP CONSISTING OF CARBON DIOXIDE AND SULFUR DIXOIDE.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |