Patent US2784136A successfully refreshed from Google Patents.
US2784136A
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Polymeric insecticidal compositions and method for destroying insects
Assignee: Shell Development Co
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Filing: 1953-02-17
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Granted: 1957-03-05
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Expires: 1973-02-17
Abstract
No abstract record available.
Inventors
- 👤 Dierick Gerarda Francisc Maria
- 👤 Christiaan Pieter Van Dijk
- 👤 Franciscus Johannes Freder Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:04
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/21; A61K31/215; A61K31/22; A01; A01N; A01N25/00; A01N25/08; A01N25/10; A01N27/00; A01N37/00; A01N37/02; A01N61/00; A01N2300/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
A COMPOSITION SUITABLE FOR DESTROYING INSECTS COMPRISING AN EFFECTIVE TOXIC AMOUNT OF A LIQUID POLYMER OF AN ALKENE HAVING NOT MORE THAN ABOUT 20 CARBON ATOMS PER MOLECULE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF FROM ABOUT 250 TO ABOUT 3000, AND A MINOR AMOUNT OF A SURFACE-ACTIVE IN AN AQUEOUS MEDIUM.
References Cited (Backward Citations)
US2551643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |