US3087965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of nu-alkoxymethyl substituted amides
Assignee: PPG Industries Inc
•
Filing: 1960-12-02
•
Granted: 1963-04-30
•
Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 Dowbenko Rostyslaw
- 👤 Roger M Christenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:53
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A METHOD OF PREPARING COMPOUNDS OF THE FORMULA
Claim 2
Independent Claim
8 words
A METHOD OF PREPARING COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
US2773063A
Cited
US2361185A
Cited
US2523934A
Cited
US2576501A
Cited
US2760977A
Cited
US2810713A
Cited
US2927942A
Cited
US2999881A
Cited
US2993903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |