US3560512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-substituted-2,1-benzisothiazoline-2,2-dioxides
Assignee: Colgate Palmolive Co
•
Filing: 1967-11-14
•
Granted: 1971-02-02
•
Expires: 1987-11-14
Abstract
Abstract THE COMPOUNDS ARE 2,1-BENZISOTHIAZOLINE-2,2-DIOXIDES SUBSTITUTED IN THE 3 POSITION WHICH ARE USEFUL IN THE PREPARATION OF WOOD PRESERVATIVES, MOTH PROOFING AGENTS, PICKLING INHIBITORS AND AS PHARMACEUTICAL AGENTS, PARTICULARLY ANTIHYPERTENSIVE AGENTS. AMONG THE COMPOUNDS DISCLOSED ARE 1,3-DIMETHYL-3-(2''-CARBOXYETHYL)-2,1-BENZISOTHIAZOLINE-2,2-DIOXIDE AND 1,3-DIMETHYL-3-(N-DIMETHYLAMINOETHYL) - 2'' - CARBAMYLETHYL)-2,1-BENZISOTHIAZOLINE2,2-DIOXIDE.
Inventors
- 👤 Joseph A Skorcz
- 👤 John T Suh
- 👤 Claude I Judd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:38
CPC Classifications
C; C07; C07D; C07D275/00; C07D275/04; C07D275/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |