US2886604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of compounds having a benzylbenzyl halide structure
Assignee: Universal Oil Products Co
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Filing: 1953-10-07
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Granted: 1959-05-12
•
Expires: 1973-10-07
Abstract
No abstract record available.
Inventors
- 👤 Schmerling Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:59
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/26; C07C17/263; C07C17/269
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCES FOR THE PREPARATION OF A COMPOUND HAVING A BENZYLBENZYL HALIDE STRUCTURE WHICH COMPRISES TREATING A BENZYL HALIDE CONSISTING OF CARBON, HYDROGEN AND A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE WITH SULFURIC ACID AT A TEMPERATURE OF FROM ABOUT -20*C. TO ABOUT 50*C. SUCH THAT A HYDROGEN HALIDE IS EVOLVED.
Claim 2
Dependent Claim
55 words
A PROCES FOR THE PREPARATION OF A COMPOUND HAVING A BENZYLBENZYL HALIDE STRUCTURE WHICH COMPRISES TREATING A BENZYL HALIDE CONSISTING OF CARBON, HYDROGEN AND A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE WITH SULFURIC ACID AT A TEMPERATURE OF FROM ABOUT -20*C. TO ABOUT 50*C. SUCH THAT A HYDROGEN HALIDE IS EVOLVED.
References Cited (Backward Citations)
US2012302A
Cited
US2556880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |