US3090739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing nitroso compounds or oximes
Assignee: Toray Industries Inc
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Filing: 1960-07-18
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Granted: 1963-05-21
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Expires: 1980-07-18
Abstract
No abstract record available.
Inventors
- 👤 Ito Yoshikazu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:20
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/12; B01J19/122; C; C07; C07C; C07C201/00; C07C249/00; C07C249/04; C07C249/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A METHOD OF CONTINUOUSLY PRODUCING A NITROSO COMPOUND AND AN OXIME, BY REACTING UNDER IRRADIATION OF N ACTINIC LIGHT IN A REACTION VESSEL HAVING A WALL SEPARATING SAID LIGHT FROM THE REACTION LIQUID, A NITROSATION AGENT WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKANES AND CYCLOAKLANES HAVING 5 TO 10 CARBON ATOMS TO PRODUCE ITS CORRESPONGING NITROSO COMPOUND AND OXIME, THE IMPROVEMENT CONSISTING OF PASSING CONTINUOUSLY SULFURIC ACID HAVING A CONCENTRATION ABOVE 4% DOWN AND ALONG THE OUTERMOST SULFACE OF THE REACTION VESSEL, SAID OUTERMOST SURFACE BEING THE WALL THROUGH WHICH THE LIGHT PASSES AND WHERE THE REACTION LIQUID MAKES CONTACT.
Claim 2
Dependent Claim
104 words
IN A METHOD OF CONTINUOUSLY PRODUCING A NITROSO COMPOUND AND AN OXIME, BY REACTING UNDER IRRADIATION OF N ACTINIC LIGHT IN A REACTION VESSEL HAVING A WALL SEPARATING SAID LIGHT FROM THE REACTION LIQUID, A NITROSATION AGENT WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKANES AND CYCLOAKLANES HAVING 5 TO 10 CARBON ATOMS TO PRODUCE ITS CORRESPONGING NITROSO COMPOUND AND OXIME, THE IMPROVEMENT CONSISTING OF PASSING CONTINUOUSLY SULFURIC ACID HAVING A CONCENTRATION ABOVE 4% DOWN AND ALONG THE OUTERMOST SULFACE OF THE REACTION VESSEL, SAID OUTERMOST SURFACE BEING THE WALL THROUGH WHICH THE LIGHT PASSES AND WHERE THE REACTION LIQUID MAKES CONTACT.
References Cited (Backward Citations)
US2818380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |