Patent US3160667A successfully refreshed from Google Patents.
US3160667A
Expired / Lapsed
US
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Methods for producing peroxidic materials
Assignee: J R SHORT MILING Co
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Filing: 1960-12-14
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Granted: 1964-12-08
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Expires: 1980-12-14
Abstract
No abstract record available.
Inventors
- 👤 Higashiuchi Kazuo
- 👤 Edward J Schwoegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:56
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/20; C07C409/22; C07C407/00; C07C409/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
THE METHOD FOR OBTAINING FROM ACETONE AND HYDROGEN PEROXIDE A YIELD OF ORGANIC ACYCLIC PEROXIDES CONSISTING ESSENTIALLY OF 2,2-DIHYDROPEROXY PROPANE AND BIS-(1,1''HYDROPEROXY, 1,1''-METHYL) DIETHYL PEROXIDE AND AMOUNTING IN HYDROGEN PEROXIDE EQUIVALENTS TO AT LEAST 60% OF THE HYDROGEN PEROXIDE EMPLOYED AS A STARTING MATERIAL, WITH THE WEIGHT RATIO OF 2,2-DIHYDROPEROXY PROPANE TO BIS-(1,1''-HYDROPEROXY, 1,1''-METHYL) DIETHYL PEROXIDE BEING AT LEAST 3:1, COMPRISING COMBINING ACETONE, HYDROGEN PEROXIDE, WATER AND 0.15-15% BY WEIGHT OF PHOSPHORIC ACID, AND MAINTAINING THE RESULTING REACTION MIXTURE AT AT TEMPERATURE OF FROM -20*C. TO 35*C. FOR A TIME PERIOD OF FROM 6 HOURS TO 10 MINUTES, SAID TIME PERIOD DEPENDING UPON AND BEING INVERSELY RELATED TO THE PROPORTION OF CATALYST AND THE TEMPERATURE EMPLOYED, THE MOLAR RATIO OF HYDROGEN PEROXIDE TO ACETONE FOR THE TOTAL ACETONE EMPLOYED BEING FROM 1.5:1 TO 6:1, AND THE WATER EMPLOYED AMOUNTING TO 5-95% OF THE REACTION MIXTURE.
Claim 2
Independent Claim
145 words
THE METHOD FOR OBTAINING FROM ACETONE AND HYDROGEN PEROXIDE A YIELD OF ORGANIC ACYCLIC PEROXIDES CONSISTING ESSENTIALLY OF 2,2-DIHYDROPEROXY PROPANE AND BIS-(1,1''HYDROPEROXY, 1,1''-METHYL) DIETHYL PEROXIDE AND AMOUNTING IN HYDROGEN PEROXIDE EQUIVALENTS TO AT LEAST 60% OF THE HYDROGEN PEROXIDE EMPLOYED AS A STARTING MATERIAL, WITH THE WEIGHT RATIO OF 2,2-DIHYDROPEROXY PROPANE TO BIS-(1,1''-HYDROPEROXY, 1,1''-METHYL) DIETHYL PEROXIDE BEING AT LEAST 3:1, COMPRISING COMBINING ACETONE, HYDROGEN PEROXIDE, WATER AND 0.15-15% BY WEIGHT OF PHOSPHORIC ACID, AND MAINTAINING THE RESULTING REACTION MIXTURE AT AT TEMPERATURE OF FROM -20*C. TO 35*C. FOR A TIME PERIOD OF FROM 6 HOURS TO 10 MINUTES, SAID TIME PERIOD DEPENDING UPON AND BEING INVERSELY RELATED TO THE PROPORTION OF CATALYST AND THE TEMPERATURE EMPLOYED, THE MOLAR RATIO OF HYDROGEN PEROXIDE TO ACETONE FOR THE TOTAL ACETONE EMPLOYED BEING FROM 1.5:1 TO 6:1, AND THE WATER EMPLOYED AMOUNTING TO 5-95% OF THE REACTION MIXTURE.
References Cited (Backward Citations)
US3085014A
Cited
US3003000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |