US3239519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selected bis(dialkylamino)alkoxymethanes and tetrakis(dialkylamino)ethylenes and thesynthesis thereof
Assignee: EIDP Inc
•
Filing: 1962-02-20
•
Granted: 1966-03-08
•
Expires: 1982-02-20
Abstract
No abstract record available.
Inventors
- 👤 Hilmer E Winberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:27
CPC Classifications
C; C06; C06B; C06B23/00; C06B23/007; G; G01; G01N; G01N31/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
20 words
THE PROCESS WHICH COMPRISES REACTING TOGETHER, AT A TEMPERATURE IN THE RANGE 25-250*C. (A) AN AMIDE ACETL OF THE FORMULA
Claim 2
Dependent Claim
20 words
THE PROCESS WHICH COMPRISES REACTING TOGETHER, AT A TEMPERATURE IN THE RANGE 25-250*C. (A) AN AMIDE ACETL OF THE FORMULA
Claim 3
Dependent Claim
7 words
A COMPOUND OF THE GROUP CONSISTING OF:
Claim 4
Dependent Claim
7 words
A COMPOUND OF THE GROUP CONSISTING OF:
Claim 5
Dependent Claim
2 words
BIS(N-MORPHOLINO) METHOXYMETHANE.
Claim 6
Dependent Claim
2 words
BIS(N-MORPHOLINO) METHOXYMETHANE.
References Cited (Backward Citations)
US2916490A
Cited
US2437963A
Cited
US2440915A
Cited
US2681317A
Cited
US2620311A
Cited
US2993894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |