US3130036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing flakes of sodium metaborate and mixtures thereof
Assignee: US Borax Inc
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Filing: 1961-02-01
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Granted: 1964-04-21
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Expires: 1981-02-01
Abstract
No abstract record available.
Inventors
- 👤 John T Young
- 👤 Paul F Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:29
CPC Classifications
A; A01; A01N; A01N59/00; A01N59/14; C; C01; C01B; C01B35/00; C01B35/06; C01B35/08; C01B35/10; C01B35/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
165 words
THE METHOD FOR PREPARING SOLID FLAKES OF A COCRYSTALLIZED SODIUM METABORATE-CHLORATE-ORGANIC HERBICIDE WHICH COMPRISES COMBINING BORAX AND SODIUM HYDROXIDE IN A MOLAR RATIO OF ABOUT 1:2 WITH FROM ABOUT 15% TO ABOUT 60% OF THE TOTAL WEIGHT OF SAID BORAX AND SODIUM HYDROXIDE OF SODIUM CHLORATE, DRY MIXING THE INGREDIENTS, ADDING FROM ABOUT 1% TO ABOUT 18% OF THE TOTAL WEIGHT OF THE INORGANIC INGREDIENTS OF AN ORGANIC HERBICIDE, SAID ORGANIC HERBICIDE SELECTED FROM THE GROUP CONSISTING OF 2,4-DICHLOROPHENOXYACETIC ACID, 2,4,5-TRICHLOROPHENOXYACETIC ACID, 2-METHYL-4-CHLOROPHENOXYACETIC ACID, TRICHLOROBENZOIC ACID, TRIBROMOACETIC ACID, 3-P-CHLOROPHENYL-1,1DIMETHYLUREA, PHENYLDIMETHYLUREA, 4-(2,4-DICHLOROBENZOYL)PHENYL A,A-DICHLOROPROPIONATE, N,N-DIBUTYLACTAMIDE LAURATE, TETRACHLOROHYDROQUINONE BIS-(A,A-DICHLOROPROPIONATE), CONTINUING THE DRY MIXING UNTIL THE REACTION BETWEEN THE BORAX AND SODIUM HYDROXIDE IS INITIATED, IMMEDIATELY PLACING THE PARTIALLY REACTED ADMIXTURE ON A DRUM DRYER HEATED TO A TEMPERATURE OF FROM ABOUT 80*C. TO LESS THAN THE DECOMPOSITION TEMPERATURE OF SAID ORGANIC INGREDIENT, WHEREBY SUBSTANTIALLY SIMULTANEOUSLY THE SAID REACTION GOES TO COMPLETION AND SOLIDIFIED FLAKES OF COCRYSTALLIZED ORGANIC-INORGANIC HERBICIDE ARE FORMED AND REMOVING SAID FLAKES FROM THE DRUM DRYER.
References Cited (Backward Citations)
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Cited
US1976299A
Cited
US2700604A
Cited
US2685513A
Cited
US2886425A
Cited
US2847293A
Cited
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 |