US2614130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidative condensation of alkyl aromatic hydrocarbons and of nuclearly chlorinated alkyl aromatic hydrocarbons
Assignee: Universal Oil Products Co
•
Filing: 1949-03-26
•
Granted: 1952-10-14
•
Expires: 1969-03-26
Abstract
No abstract record available.
Inventors
- 👤 Pines Herman
- 👤 Vladimir N Ipatieff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:08
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/26; C07C17/263; C07C17/269; C07C2/00; C07C2/76; C07C2/82; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
THE PROCESS FOR PRODUCING A MEMBER OF THE GROUP CONSISTING OF A DIARYLALKANE AND A NUCLEARLY CHLORINATED DIARYLALKANE FROM AN AROMATIC COMPOUND OF THE GROUP CONSISTING OF AN AROMATIC HYDROCARBON AND A NUCLEARLY CHLORINATED AROMATIC HYDROCARBON EACH HAVING AN ALKYL GROUP CONTAINING AT LEAST ONE AND NOT MORE THAN TWO HYDROGEN ATOMS COMBINED WITH THE CARBON ATOM ATTACHED TO THE AROMATIC RING, WHICH COMPRISES SUBJECTING SAID AROMATIC COMPOUND TO OXIDATIVE CONDENSATION BY REACTING THE SAME WITH FREE OXYGEN AT A TEMPERATURE OF FROM ABOUT 100* TO ABOUT 250* C. IN THE PRESENCE OF AT LEAST ONE METAL OF THE GROUP CONSISTING OF ALUMINUM AND MAGNESIUM.
Claim 2
Dependent Claim
105 words
THE PROCESS FOR PRODUCING A MEMBER OF THE GROUP CONSISTING OF A DIARYLALKANE AND A NUCLEARLY CHLORINATED DIARYLALKANE FROM AN AROMATIC COMPOUND OF THE GROUP CONSISTING OF AN AROMATIC HYDROCARBON AND A NUCLEARLY CHLORINATED AROMATIC HYDROCARBON EACH HAVING AN ALKYL GROUP CONTAINING AT LEAST ONE AND NOT MORE THAN TWO HYDROGEN ATOMS COMBINED WITH THE CARBON ATOM ATTACHED TO THE AROMATIC RING, WHICH COMPRISES SUBJECTING SAID AROMATIC COMPOUND TO OXIDATIVE CONDENSATION BY REACTING THE SAME WITH FREE OXYGEN AT A TEMPERATURE OF FROM ABOUT 100* TO ABOUT 250* C. IN THE PRESENCE OF AT LEAST ONE METAL OF THE GROUP CONSISTING OF ALUMINUM AND MAGNESIUM.
References Cited (Backward Citations)
DE646701C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |