US2938830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New molluscicidal compositions
Assignee: Imperial Chemical Industries Ltd
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Filing: 1958-04-07
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Granted: 1960-05-31
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Expires: 1978-04-07
Abstract
No abstract record available.
Inventors
- 👤 Davey David Garnet
- 👤 Homer Ronald Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:00
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/08; A01N25/10; A01N35/00; A01N35/04; A01N37/00; A01N37/02; A01N37/36; A01N2300/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
A METHOD OF COMBATTING MOLLUSCA WHICH COMPRISES CONTACTING SAME WITH A TRIPHENYLMETHANE DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS WHICH HAVE THE FORMULA R3CR'' AND COMPOUNDS WHICH IN THE FREE BASE FORM HAVE THE FORMULA R3CR" WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF PHENYL, HALOPHENYL AND ALKYLPHENYL RADICALS, R'' IS A LOWER ALKOXY RADICAL AND R" IS SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYLAMINO, PHENYLAMINO AND HALOGENOPHENYLAMINO.
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) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |