US3265745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of dihalocarbene adducts
Assignee: Ethyl Corp
•
Filing: 1962-10-26
•
Granted: 1966-08-09
•
Expires: 1982-10-26
Abstract
No abstract record available.
Inventors
- 👤 Seyferth Dietmar
- 👤 James M Burlitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:46
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/26; C07C17/263; Y; Y10; Y10S; Y10S623/00; Y10S623/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS FOR THE PRODUCTION OF 1,1-DIHALOCYCLOPROPANES WHICH COMPRISES THE STEP OF REACTING TOGETHER A MIXTURE COMPRISING A TRIHALOMETHYL SUBSTITUED MERCURIAL HAVING THE FORMULA R-HG-CX3 WHEREIN X IS A HALOGEN AND R IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKYLS, CYCLOALKYLS, MONONUCLEAR ARYLS, HALOALKYLS, HALOCYCLOALKYLS, HALOMONONUCLEAR ARYLS, FLUORINE, CHLORINE, BROMINE, AND IODINE AND AT A TEMPERATURE OF FROM ABOUT 0*C. TO ABOUT 150*C.
Claim 2
Dependent Claim
65 words
A PROCESS FOR THE PRODUCTION OF 1,1-DIHALOCYCLOPROPANES WHICH COMPRISES THE STEP OF REACTING TOGETHER A MIXTURE COMPRISING A TRIHALOMETHYL SUBSTITUED MERCURIAL HAVING THE FORMULA R-HG-CX3 WHEREIN X IS A HALOGEN AND R IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKYLS, CYCLOALKYLS, MONONUCLEAR ARYLS, HALOALKYLS, HALOCYCLOALKYLS, HALOMONONUCLEAR ARYLS, FLUORINE, CHLORINE, BROMINE, AND IODINE AND AT A TEMPERATURE OF FROM ABOUT 0*C. TO ABOUT 150*C.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |