US2558762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier material for agricultural chemicals
Assignee: Sherwin Williams Co
•
Filing: 1948-12-14
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Granted: 1951-07-03
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Expires: 1968-12-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Donald A Kohr
- 👤 Roy L Milde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:47
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
A SUBSTANTIALLY WATER-FREE LIQUID COMPOSITION CAPABLE OF FORMING A STABLE DISPERSION IN WATER FOR APPLICATION TO PLANT SURFACE BY SPRAYING, COMPRISING ESSENTIALLY A HYDROCARBON SPRAY OIL CONTAINING A MAJOR PROPORTION OF PARAFFINIC CONSTITUENTS AND NOT MORE THAN ABOUT 25% SULFONATABLE MATERIAL AND HAVING A VISCOSITY OF FROM ABOUT 40 SECONDS TO ABOUT 70 SECONDS SAYBOLT UNIVERSAL AT 100* F., A COUPLING AGENT, A SURFACE ACTIVE AGENT OF THE TYPE OBTAINED BY REACTING 3 TO 6 MOL PROPORTIONS OF ETHYLENE OXIDE WITH 1 MOL PROPORTION OF A MONOALKYL ESTER OF CYCLIC INNER ETHERS OF A HEXITOL IN WHICH THE ALKYL RADICAL IS A STRAIGHT CHAIN 18 CARBON ATOM FATTY ACID RESIDUE, SAID COUPLING AGENT EFFECTING A MUTUAL SOLVENCY BETWEEN SAID SPRAY OIL AND SAID SURFACE ACTIVE AGENT, THE PROPORTION OF SAID SURFACE ACTIVE AGENT BEING FROM ABOUT 20% TO ABOUT 200% BY WEIGHT OF THE COUPLING AGENT AND SAID SURFACE ACTIVE AGENT AND COUPLING AGENT TOGETHER BEING FROM ABOUT 20% TO ABOUT 300% BY WEIGHT OF THE SPRAY OIL, AND AT LEAST ONE AGRICULTURAL CHEMICAL MISCIBLE THEREWITH SUITABLE FOR APPLICATION TO PLANT SURFACES BY SPRAYING IN AN AMOUNT OF FROM ABOUT 2% TO ABOUT 400% BY WEIGHT OF THE REMAINDER OF THE COMPOSITION.
Claim 2
Dependent Claim
202 words
A SUBSTANTIALLY WATER-FREE LIQUID COMPOSITION CAPABLE OF FORMING A STABLE DISPERSION IN WATER FOR APPLICATION TO PLANT SURFACE BY SPRAYING, COMPRISING ESSENTIALLY A HYDROCARBON SPRAY OIL CONTAINING A MAJOR PROPORTION OF PARAFFINIC CONSTITUENTS AND NOT MORE THAN ABOUT 25% SULFONATABLE MATERIAL AND HAVING A VISCOSITY OF FROM ABOUT 40 SECONDS TO ABOUT 70 SECONDS SAYBOLT UNIVERSAL AT 100* F., A COUPLING AGENT, A SURFACE ACTIVE AGENT OF THE TYPE OBTAINED BY REACTING 3 TO 6 MOL PROPORTIONS OF ETHYLENE OXIDE WITH 1 MOL PROPORTION OF A MONOALKYL ESTER OF CYCLIC INNER ETHERS OF A HEXITOL IN WHICH THE ALKYL RADICAL IS A STRAIGHT CHAIN 18 CARBON ATOM FATTY ACID RESIDUE, SAID COUPLING AGENT EFFECTING A MUTUAL SOLVENCY BETWEEN SAID SPRAY OIL AND SAID SURFACE ACTIVE AGENT, THE PROPORTION OF SAID SURFACE ACTIVE AGENT BEING FROM ABOUT 20% TO ABOUT 200% BY WEIGHT OF THE COUPLING AGENT AND SAID SURFACE ACTIVE AGENT AND COUPLING AGENT TOGETHER BEING FROM ABOUT 20% TO ABOUT 300% BY WEIGHT OF THE SPRAY OIL, AND AT LEAST ONE AGRICULTURAL CHEMICAL MISCIBLE THEREWITH SUITABLE FOR APPLICATION TO PLANT SURFACES BY SPRAYING IN AN AMOUNT OF FROM ABOUT 2% TO ABOUT 400% BY WEIGHT OF THE REMAINDER OF THE COMPOSITION.
References Cited (Backward Citations)
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US2044959A
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US2380166A
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US2369429A
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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) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |