Patent JPS6046966A successfully refreshed from Google Patents.
US2635979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polycyclic insect toxicants
Assignee: Shell Development Co
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Filing: 1947-12-31
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Granted: 1953-04-21
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Expires: 1967-12-31
Abstract
No abstract record available.
Inventors
- 👤 Rex E Lidov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:12
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/18; C07C23/20; C07C23/46
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
63 words
A COMPOUND SELECTD FROM THE GROUP CONSISTING OF (1) 1,4,5,8,9,10-TRIMETHANO-1,2,3,4,13,13HEXACHLORO - 1,4,4A,5,6,7,8A,9,9A,10,10A - DODECAHYDROANTHRACENE MELTING AT FROM ABOUT 173 TO ABOUT 175* C., (2) 1,2,3,4,10,10-HEXACHLORO1,4,4A,5,6,7,8,8A - OCTHYDRO - 1,4,5,8 - DIMETHANONAPHTHALENE MELTING AT FROM ABOUT 77 TO ABOUT 78* C., (3) 6-CHLORO (4) 6,6-DICHLORO, (5)-6ACETOXY, (6) 6-HYDROXY, (7) 6-PHENYL, (8) 6-KETO, (9) 6,7 DIMETHYL, (10) 6,6,7-TRIMETHYL, AND (11) 6-ETHYL-7-METHYL DERIVATIVES OF SAID DIMETHANONAPHTHALENE.
Claim 2
Dependent Claim
63 words
A COMPOUND SELECTD FROM THE GROUP CONSISTING OF (1) 1,4,5,8,9,10-TRIMETHANO-1,2,3,4,13,13HEXACHLORO - 1,4,4A,5,6,7,8A,9,9A,10,10A - DODECAHYDROANTHRACENE MELTING AT FROM ABOUT 173 TO ABOUT 175* C., (2) 1,2,3,4,10,10-HEXACHLORO1,4,4A,5,6,7,8,8A - OCTHYDRO - 1,4,5,8 - DIMETHANONAPHTHALENE MELTING AT FROM ABOUT 77 TO ABOUT 78* C., (3) 6-CHLORO (4) 6,6-DICHLORO, (5)-6ACETOXY, (6) 6-HYDROXY, (7) 6-PHENYL, (8) 6-KETO, (9) 6,7 DIMETHYL, (10) 6,6,7-TRIMETHYL, AND (11) 6-ETHYL-7-METHYL DERIVATIVES OF SAID DIMETHANONAPHTHALENE.
Claim 3
Dependent Claim
20 words
AS AN INSECTICIDAL COMPOSITION OF MATTER A COMPOUND OF CLAIM 1 DISSEMINATED IN AN INSECTICIDAL ADJUVANT AS A CARRIER THEREFOR.
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) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |