US3197301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fertilizers inhibited against corrosion
Assignee: FMC Corp
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Filing: 1963-01-04
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Granted: 1965-07-27
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Expires: 1983-01-04
Abstract
No abstract record available.
Inventors
- 👤 Lutz Charles William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:48
CPC Classifications
C; C05; C05G; C05G5/00; C05G5/20; C05G5/23; Y; Y10; Y10S; Y10S71/00; Y10S71/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AQUEOUS PHOSPHORUS-CONTAINING SOLUTION HAVING A HIGH DEGREE OF COMPATIBILITY AGAINST COMPONENT SEPARATION AND INHIBITED AGAINST CORROSION OF MILD STEEL, SAID AQUEOUS SOLUTION HAVING A PHOSPHORUS-CONTAINING INGREDIENT FROM THE GROUP CONSISTING OF CONCENTRATED PHOSPHORIC ACID AND AN AMMONIUM PHOSPHATE AND ESSENTIALLY CONTAINING AS A BASE INHIBITOR AGAINST SAID CORROSION, 0.04 TO 0.2 WEIGHT PERCENT OF A MIXTURE OF (A) A DI-LONG-CHAINALKYL DIMETHYL AMMONIUM CHLORIDE IN WHICH SAID ALKYL GROUPS HAVE 8 TO 18 CARBON ATOMS, AND (B) A ROSIN AMINE DERIVATIVE HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
84 words
AQUEOUS PHOSPHORUS-CONTAINING SOLUTION HAVING A HIGH DEGREE OF COMPATIBILITY AGAINST COMPONENT SEPARATION AND INHIBITED AGAINST CORROSION OF MILD STEEL, SAID AQUEOUS SOLUTION HAVING A PHOSPHORUS-CONTAINING INGREDIENT FROM THE GROUP CONSISTING OF CONCENTRATED PHOSPHORIC ACID AND AN AMMONIUM PHOSPHATE AND ESSENTIALLY CONTAINING AS A BASE INHIBITOR AGAINST SAID CORROSION, 0.04 TO 0.2 WEIGHT PERCENT OF A MIXTURE OF (A) A DI-LONG-CHAINALKYL DIMETHYL AMMONIUM CHLORIDE IN WHICH SAID ALKYL GROUPS HAVE 8 TO 18 CARBON ATOMS, AND (B) A ROSIN AMINE DERIVATIVE HAVING THE FOLLOWING FORMULA:
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |