US4025330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zinc-containing foliar spray
Assignee: FERTILIZER INDUSTRIES Inc
•
Filing: 1975-12-22
•
Granted: 1977-05-24
•
Expires: 1995-12-22
Abstract
Abstract In foliar application of zinc nitrate in aqueous solution, zinc absorption by leaves is facilitated by incorporating in the solution a synergistic combination of said zinc nitrate, ammonium nitrate and urea.
Inventors
- 👤 James Benton Storey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:53
CPC Classifications
C; C05; C05C; C05C1/00
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
65 words
A foliar spray composition consisting essentially of about 0.5 to 4 parts by weight of zinc nitrate; 2 to 5 parts by weight of an aqueous fertilizer solution comprising ammonium nitrate and urea, said fertilizer solution containing at least 20 percent by weight of urea and at least 20 percent by weight of ammonium nitrate; and up to about 1,000 parts by weight of water.
Claim 2
Dependent Claim
65 words
A foliar spray composition consisting essentially of about 0.5 to 4 parts by weight of zinc nitrate; 2 to 5 parts by weight of an aqueous fertilizer solution comprising ammonium nitrate and urea, said fertilizer solution containing at least 20 percent by weight of urea and at least 20 percent by weight of ammonium nitrate; and up to about 1,000 parts by weight of water.
Claim 3
Dependent Claim
22 words
The foliar spray composition of claim 1 wherein 0.9 to 1.8 parts by weight of zinc nitrate are present in said composition.
Claim 4
Dependent Claim
24 words
The foliar spray composition of claim 1 wherein 4 to 5 parts by weight of said aqueous fertilizer solution are present in said composition.
Claim 5
Dependent Claim
64 words
A foliar spray composition consisting essentially of 0.9 to 1.8 parts by weight of zinc nitrate; 4 to 5 parts by weight of an aqueous fertilizer solution comprising ammonium nitrate and urea, said fertilizer solution containing at least 20 percent by weight of urea and at least 20 percent by weight of ammonium nitrate; and up to about 1,000 parts by weight of water.
Claim 6
Dependent Claim
64 words
A foliar spray composition consisting essentially of 0.9 to 1.8 parts by weight of zinc nitrate; 4 to 5 parts by weight of an aqueous fertilizer solution comprising ammonium nitrate and urea, said fertilizer solution containing at least 20 percent by weight of urea and at least 20 percent by weight of ammonium nitrate; and up to about 1,000 parts by weight of water.
Claim 7
Dependent Claim
37 words
The foliar spray composition of claim 4 wherein the aqueous fertilizer solution has a pH of 6-7, and contains at least 30 percent by weight of urea and at least 30 percent by weight of ammonium nitrate.
Claim 8
Dependent Claim
31 words
The foliar spray composition of claim 5 wherein the aqueous fertilizer solution contains at least 15 percent by weight of water and up to 1 percent by weight of free ammonia.
Claim 9
Dependent Claim
80 words
A foliar spray composition consisting essentially of 0.9 to 1.8 parts by weight of zinc nitrate; 4 to 5 parts by weight of an aqueous fertilizer solution comprising ammonium nitrate and urea, said fertilizer solution having a pH of 6-7 and containing on a weight basis at least about 30 percent each of ammonium nitrate and urea, at least about 15 percent of water, and up to 1 percent of free ammonia; and about 1,000 parts by weight of water.
Claim 10
Dependent Claim
80 words
A foliar spray composition consisting essentially of 0.9 to 1.8 parts by weight of zinc nitrate; 4 to 5 parts by weight of an aqueous fertilizer solution comprising ammonium nitrate and urea, said fertilizer solution having a pH of 6-7 and containing on a weight basis at least about 30 percent each of ammonium nitrate and urea, at least about 15 percent of water, and up to 1 percent of free ammonia; and about 1,000 parts by weight of water.
Claim 11
Dependent Claim
109 words
In foliar application of zinc to plants suffering from zinc deficiency, a method to increase the absorption of zinc by plant leaves which comprises spraying said leaves with a foliar spray consisting essentially of 0.9 to 1.8 parts by weight of zinc nitrate; 2 to 5 parts by weight of an aqueous fertilizer solution comprising ammonium nitrate and urea, said fertilizer solution having a pH of 6-7 and containing on a weight basis at least about 30 percent each of ammonium nitrate and urea, at least about 15 percent of water, and up to 1 percent of free ammonia; and up to about 1,000 parts by weight of water.
Claim 12
Dependent Claim
109 words
In foliar application of zinc to plants suffering from zinc deficiency, a method to increase the absorption of zinc by plant leaves which comprises spraying said leaves with a foliar spray consisting essentially of 0.9 to 1.8 parts by weight of zinc nitrate; 2 to 5 parts by weight of an aqueous fertilizer solution comprising ammonium nitrate and urea, said fertilizer solution having a pH of 6-7 and containing on a weight basis at least about 30 percent each of ammonium nitrate and urea, at least about 15 percent of water, and up to 1 percent of free ammonia; and up to about 1,000 parts by weight of water.
Claim 13
Dependent Claim
12 words
The method of claim 8 wherein the plant leaves are pecan leaves.
Claim 14
Dependent Claim
21 words
The method of claim 8 wherein the foliar spray composition is sprayed at the rate of about 400 gallons per acre.
Claim 15
Dependent Claim
92 words
In foliar application of zinc to plants suffering from zinc deficiency, a method to increase the absorption of zinc by plant leaves which comprises spraying said leaves with a foliar spray consisting essentially of about 0.5 to 4 parts by weight of zinc nitrate; 2 to 5 parts by weight of an aqueous fertilizer solution comprising ammonium nitrate and urea, said fertilizer solution containing at least 20 percent by weight of urea and at least 20 percent by weight of ammonium nitrate; and up to about 1,000 parts by weight of water.
Claim 16
Dependent Claim
92 words
In foliar application of zinc to plants suffering from zinc deficiency, a method to increase the absorption of zinc by plant leaves which comprises spraying said leaves with a foliar spray consisting essentially of about 0.5 to 4 parts by weight of zinc nitrate; 2 to 5 parts by weight of an aqueous fertilizer solution comprising ammonium nitrate and urea, said fertilizer solution containing at least 20 percent by weight of urea and at least 20 percent by weight of ammonium nitrate; and up to about 1,000 parts by weight of water.
Claim 17
Dependent Claim
89 words
In foliar application of zinc to plants suffering from zinc deficiency, a method to increase the absorption of zinc by plant leaves which comprises spraying said leaves with a foliar spray consisting essentially of 0.9 to 1.8 parts by weight of zinc nitrate; 4 to 5 parts by weight of an aqueous fertilizer solution comprising ammonium nitrate and urea, said fertilizer solution containing at least 20 percent by weight of urea and at least 20 percent by weight of ammonium nitrate; and about 1,000 parts by weight of water.
Claim 18
Dependent Claim
89 words
In foliar application of zinc to plants suffering from zinc deficiency, a method to increase the absorption of zinc by plant leaves which comprises spraying said leaves with a foliar spray consisting essentially of 0.9 to 1.8 parts by weight of zinc nitrate; 4 to 5 parts by weight of an aqueous fertilizer solution comprising ammonium nitrate and urea, said fertilizer solution containing at least 20 percent by weight of urea and at least 20 percent by weight of ammonium nitrate; and about 1,000 parts by weight of water.
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) | 1980-05-23 | 1980-11-22 | 1981-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-23 | 1984-11-22 | 1985-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-23 | 1988-11-22 | 1989-05-24 | $7700.00 | Window Closed / Lapsed |