Patent US3130034A successfully refreshed from Google Patents.
US3130034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zinc containing liquid fertilizer
Assignee: Collier Carbon and Chemical Corp
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Filing: 1960-10-24
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Granted: 1964-04-21
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Donald C Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:48
CPC Classifications
C; C05; C05C; C05C3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE METHOD OF FORMING AN AQUEOUS SOLUTION OF ZINC SULFATE AND AMMONIA FROM AQUA AMMONIA HAVING AA CONCENTRATION BETWEEN ABOUT 6 AND ABOUT 24 WEIGHT PERCENT AMMONIA, ZINC SULFATE HEPTAHYDRATE, WATER AND ANHYDROUS AMMONIA WHICH COMPRISES; (1) ADDING SAID ZINC SULFATE HETPAHYDRATE TO SAID AQUA AMMONIA UNTIL FURTHER ADDITION CAUSES THE FORMATION OF A SOLID AND THEREAFTER (2) DISCONTINUING THE ADDITION OF SAID ZINC SULFATE AND ADDING ANHYDROUS AMMONIA TO THE SOLUTION, DISCONTINUING THE ADDITION OF SAID AMMONIA WHEN THE CONTINUED ADDITION OF AMMONIA CAUSES A SOLID TO FORM IN SAID SOLUTION, THERE-
Claim 2
Independent Claim
93 words
THE METHOD OF FORMING AN AQUEOUS SOLUTION OF ZINC SULFATE AND AMMONIA FROM AQUA AMMONIA HAVING AA CONCENTRATION BETWEEN ABOUT 6 AND ABOUT 24 WEIGHT PERCENT AMMONIA, ZINC SULFATE HEPTAHYDRATE, WATER AND ANHYDROUS AMMONIA WHICH COMPRISES; (1) ADDING SAID ZINC SULFATE HETPAHYDRATE TO SAID AQUA AMMONIA UNTIL FURTHER ADDITION CAUSES THE FORMATION OF A SOLID AND THEREAFTER (2) DISCONTINUING THE ADDITION OF SAID ZINC SULFATE AND ADDING ANHYDROUS AMMONIA TO THE SOLUTION, DISCONTINUING THE ADDITION OF SAID AMMONIA WHEN THE CONTINUED ADDITION OF AMMONIA CAUSES A SOLID TO FORM IN SAID SOLUTION, THERE-
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |