Patent US2976138A successfully refreshed from Google Patents.
US2976138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized trace element solutions for correcting soil deficiencies
Assignee: SUBURBAN PROPANE GAS CORP
•
Filing: 1958-07-30
•
Granted: 1961-03-21
•
Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Jackson B Hester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:05
CPC Classifications
C; C05; C05D; C05D9/00; C05D9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE METHOD OF PRODUCING AN AMMONICAL TRACE ELEMENT SOLID ADDITIVE COMPOSITION WHICH COMPRISES DISSOLVING IN STRONG AQUEOUS AMMONIA AT LEAST ONE ACID FROM THE CLASS CONSISTING OF MOLYDIC AND BORIC ACIDS AND A NUMBER OF TRACE ELEMENT SALTS OF METALS FROM THE CLASS CONSISTING OF COPPER, MANGANESE, ZINC, NICKEL AND COBALT, TOGETHER WITH AMMONIUM SULFATE, THE ACID AND THE TRACE ELEMENT SALTS DISSOLVED BEING IN PROPORTIONS TO FORM AMMONIUM AND COMPLEX AMMONIUM SALTS OF THE TRACE ELEMENTS, THE AMOUNT OF AQUEOUS AMMONIA BEING IN EXCESS OF THAT NECESSRY TO REACT WITH THE TRACE ELEMENT SALTS, SO THAT THE RESULTANT AMMONIUM AND COMPLEX AMMONIUM SALTS ARE DISSOLVED IN AN AQUEOUS AMMONICAL SOLUTION.
Claim 2
Independent Claim
111 words
THE METHOD OF PRODUCING AN AMMONICAL TRACE ELEMENT SOLID ADDITIVE COMPOSITION WHICH COMPRISES DISSOLVING IN STRONG AQUEOUS AMMONIA AT LEAST ONE ACID FROM THE CLASS CONSISTING OF MOLYDIC AND BORIC ACIDS AND A NUMBER OF TRACE ELEMENT SALTS OF METALS FROM THE CLASS CONSISTING OF COPPER, MANGANESE, ZINC, NICKEL AND COBALT, TOGETHER WITH AMMONIUM SULFATE, THE ACID AND THE TRACE ELEMENT SALTS DISSOLVED BEING IN PROPORTIONS TO FORM AMMONIUM AND COMPLEX AMMONIUM SALTS OF THE TRACE ELEMENTS, THE AMOUNT OF AQUEOUS AMMONIA BEING IN EXCESS OF THAT NECESSRY TO REACT WITH THE TRACE ELEMENT SALTS, SO THAT THE RESULTANT AMMONIUM AND COMPLEX AMMONIUM SALTS ARE DISSOLVED IN AN AQUEOUS AMMONICAL SOLUTION.
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) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |