US3419620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-ethoxy-methyl-4,6-dinitro-phenol
Assignee: C.H. Boehringer Sohn AG and Co KG
•
Filing: 1963-12-24
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Granted: 1968-12-31
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Expires: 1983-12-24
Abstract
No abstract record available.
Inventors
- 👤 Becher Heinz-Manfred
- 👤 Sehring Richard
- 👤 Zeile Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:16
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/24; C07F9/2404; C07F9/242; C07C; C07C205/00; C07C205/13; C07C205/20; C07C205/21; C07C205/23; C07C205/26; C07C205/27; C07C205/34; C07C205/35; C07C205/36; C07C205/37; C07C205/38; C07C205/39; C07C205/42; C07C205/43; C07C309/00; C07C309/63; C07C309/64; C07C309/65; C07C309/66; C07C309/72; C07C309/73; C07C329/00; C07C329/02; C07C329/04; C07C329/06; C07F7/00; C07F7/22; C07F7/2224; C07F9/08; C07F9/09; C07F9/12; C07F9/16; C07F9/165; C07F9/1653; C07F9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
2-ETHOXYMETHYL-4,6-DINITRO-PHENOL.
Claim 2
Dependent Claim
1 words
2-ETHOXYMETHYL-4,6-DINITRO-PHENOL.
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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |