US3050383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fertilizer
Assignee: Phillips Petroleum Co
•
Filing: 1958-07-10
•
Granted: 1962-08-21
•
Expires: 1978-07-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:41
CPC Classifications
C; C05; C05B; C05B7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A METHOD OF PRODUCING A HIGH ANALYSIS GRANULAR FERTILIZER, WHICH COMPRISES SUBSTANTIALLY SIMULTANEOUSLY ADMIXING LOW ANALYSIS ORGANIC WASTE FERTILIER MATERIAL WITH AN AQUEOUS AMMONIACAL SOLUTION COMPRISING AMMONIA AND AN ACID SELECTED FROM THE GROUP CONSISTING OF SULFURIC ACID AND PHOSPHORIC ACID, THE AMOUNT OF SAID AQUEOUS AMMONIACAL SOLUTION EMPLOYED BEING SUFFICIENT TO PROVIDE AMMONIA IN THE AMOUNT OF ABOUT 2 TO 20 WEIGHT PERCENT OF THE REACTION MIXTURE, THE AMOUNT OF SAID ACID EMPLOYED BEING ABOUT 2.5 TO 6 PARTS OF ACID FOR EACH PART BY WEIGHT OF AMMONIA IN THE REACTION MIXTURE, GRANULATING THE RESULTING REACTION MIXTURE, AND RECOVERING THE RESULTING HIGH ANALYSIS GRANULAR FERTILIZER PRODUCT, SAID ADMIXING AND GRANULATING BEING CARRIED OUT A TEMEPRATURES BELOW ABOUT 300*F.
Claim 2
Independent Claim
119 words
A METHOD OF PRODUCING A HIGH ANALYSIS GRANULAR FERTILIZER, WHICH COMPRISES SUBSTANTIALLY SIMULTANEOUSLY ADMIXING LOW ANALYSIS ORGANIC WASTE FERTILIER MATERIAL WITH AN AQUEOUS AMMONIACAL SOLUTION COMPRISING AMMONIA AND AN ACID SELECTED FROM THE GROUP CONSISTING OF SULFURIC ACID AND PHOSPHORIC ACID, THE AMOUNT OF SAID AQUEOUS AMMONIACAL SOLUTION EMPLOYED BEING SUFFICIENT TO PROVIDE AMMONIA IN THE AMOUNT OF ABOUT 2 TO 20 WEIGHT PERCENT OF THE REACTION MIXTURE, THE AMOUNT OF SAID ACID EMPLOYED BEING ABOUT 2.5 TO 6 PARTS OF ACID FOR EACH PART BY WEIGHT OF AMMONIA IN THE REACTION MIXTURE, GRANULATING THE RESULTING REACTION MIXTURE, AND RECOVERING THE RESULTING HIGH ANALYSIS GRANULAR FERTILIZER PRODUCT, SAID ADMIXING AND GRANULATING BEING CARRIED OUT A TEMEPRATURES BELOW ABOUT 300*F.
References Cited (Backward Citations)
US1978102A
Cited
US847749A
Cited
US1771494A
Cited
US2027766A
Cited
US2498480A
Cited
US2574027A
Cited
US2639231A
Cited
US2827368A
Cited
US2829040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |