US3214475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized formaldehyde solutions
Assignee: Commercial Solvents Corp
•
Filing: 1962-03-05
•
Granted: 1965-10-26
•
Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 George N Butter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:13
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/78; C07C45/86
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
AN AQUEOUS FORMALDEHYDE SOLUTION COMPRISING AQUEOUS FORMALDEHYDE AND A SUFFICIENT AMOUNT OF AN AMIDE HAVING THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
19 words
AN AQUEOUS FORMALDEHYDE SOLUTION COMPRISING AQUEOUS FORMALDEHYDE AND A SUFFICIENT AMOUNT OF AN AMIDE HAVING THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
US2000152A
Cited
US3137736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |