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US2558762A Expired / Lapsed US ⏱️ 0.0 years remaining

Carrier material for agricultural chemicals

Assignee: Sherwin Williams Co
•
Filing: 1948-12-14
•
Granted: 1951-07-03
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Expires: 1968-12-14
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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)

US1965935A Cited
US2044959A Cited
US2380166A Cited
US2369429A Cited
US2390941A Cited
US2423144A Cited

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

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