US3079434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making water insoluble unsaturated amides
Assignee: PPG Industries Inc
•
Filing: 1958-11-21
•
Granted: 1963-02-26
•
Expires: 1978-11-21
Abstract
No abstract record available.
Inventors
- 👤 Roger Morris Christenson
- 👤 Donald Peter Hart
- 👤 Alexander Nasser Salem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:09
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A METHOD OF PREPARING A SUBSTANTIALLY WATER INSOLUBLE COMPOUND OF THE STRUCTURE
Claim 2
Independent Claim
12 words
A METHOD OF PREPARING A SUBSTANTIALLY WATER INSOLUBLE COMPOUND OF 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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |