US2575282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective crab grass herbicidal compositions containing oxo bottoms
Assignee: Standard Oil Development Co
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Filing: 1950-04-18
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Granted: 1951-11-13
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Expires: 1970-04-18
Abstract
No abstract record available.
Inventors
- 👤 Jr John F Mckay
- 👤 Leo Z Jasion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:13
CPC Classifications
A; A01; A01N; A01N43/00; A01N43/34; A01N43/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A SELECTIVE CRAB GRASS HERBICIDAL COMPOSITION COMPRISING IN COMBINATION A SULFURIC ACIDTREATED KEROSENE, SAID ACID-TREATED KEROSENE HAVING A SPECIFIC GRAVITY IN THE RANGE OF ABOUT 0.775-0.825, A BIOLING POINT PREDOMINANTLY IN THE RANGE OF ABOUT 400*-505* F., AND BEING SUBSTANTIALLY FREE OF AROMATICS AND FROM 0.1 TO 10 WEIGHT PER CENT BASED ON THE TOTAL COMPOSITION OF A MIXTURE OF OXYGENATED ORGANIC COMPOUNDS PRODUCED AS A STILL BOTTOMS PRODUCR IN A TWO-STAGE OPERATION CONSISTING OF A FIRST STAGE IN WHICH HYDROGEN, CARBON MONOXIDE AND A C7-C15 OLEFIN ARE CONTACTED IN THE PRESENCE OF A CARBONYLATION CATALYST FORMING A PRODUCT PREDOMINANTLY ALDEHYDE AND OF A SECOND STAGE, IN WHICH THE SAID ALDEHYDE PRODUCT IS CATALYTICALLY REDUCED WITH HYDROGEN TO FORM THE CORRESPONDING ALCOHOL FROM WHICH THE MAYOR PORTION OF LOW-BOILING ALCOHOL COMPONENTS IS REMOVED BY DISTILLATION, LEAVING BEHIND THE STILL BOTTOMS PRODUCT.
Claim 2
Dependent Claim
141 words
A SELECTIVE CRAB GRASS HERBICIDAL COMPOSITION COMPRISING IN COMBINATION A SULFURIC ACIDTREATED KEROSENE, SAID ACID-TREATED KEROSENE HAVING A SPECIFIC GRAVITY IN THE RANGE OF ABOUT 0.775-0.825, A BIOLING POINT PREDOMINANTLY IN THE RANGE OF ABOUT 400*-505* F., AND BEING SUBSTANTIALLY FREE OF AROMATICS AND FROM 0.1 TO 10 WEIGHT PER CENT BASED ON THE TOTAL COMPOSITION OF A MIXTURE OF OXYGENATED ORGANIC COMPOUNDS PRODUCED AS A STILL BOTTOMS PRODUCR IN A TWO-STAGE OPERATION CONSISTING OF A FIRST STAGE IN WHICH HYDROGEN, CARBON MONOXIDE AND A C7-C15 OLEFIN ARE CONTACTED IN THE PRESENCE OF A CARBONYLATION CATALYST FORMING A PRODUCT PREDOMINANTLY ALDEHYDE AND OF A SECOND STAGE, IN WHICH THE SAID ALDEHYDE PRODUCT IS CATALYTICALLY REDUCED WITH HYDROGEN TO FORM THE CORRESPONDING ALCOHOL FROM WHICH THE MAYOR PORTION OF LOW-BOILING ALCOHOL COMPONENTS IS REMOVED BY DISTILLATION, LEAVING BEHIND THE STILL BOTTOMS PRODUCT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |