Patent US3644633A successfully refreshed from Google Patents.
US3644633A
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Method for combating soil insects and termites
Assignee: BASF Schweiz AG
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Filing: 1968-11-21
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Granted: 1972-02-22
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Expires: 1988-11-21
Abstract
Abstract THIS INVENTION RELATES TO A METHOD OF COMBATING SOIL INSECTS AND TERMITES WITH PREPARATION CONTAINING AS THE ACTIVE INGREDIENT A CARBAMATE OF THE GENERAL FORMULA (R1-N(-R2)-COO-),R,X1,X2-BENZENE IN WHICH R1 AND R2 REPRESENT HYDROGENS OR AN ALIPHATIC GROUP X1 AND X2 REPRESENT HYDROGEN, HALOGEN, AN ALIPHATIC OR NITRO GROUP, AND R IS THE ORTHO- OR META-POSITION TO THE CARBAMYLOXY GROUP REPRESENTS AN ALDEHYDE GROUP WHICH IS ACETALIZED AND/OR THIOALCOHOLS, PREFERABLY TO FORM A HETEROCYCLIC RING CONTAINING OXYGEN AND/OR SULFUR ATOMS.
Inventors
- 👤 Fritz Bachmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:23
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/14; C07D317/30; A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/22; B; B60; B60R; B60R25/00; B60R25/01; B60R25/02; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-21 | 1975-08-23 | 1976-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-21 | 1979-08-23 | 1980-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-21 | 1983-08-23 | 1984-02-22 | $7700.00 | Window Closed / Lapsed |