US3262964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halo-sulfone production
Assignee: Shell USA Inc
•
Filing: 1963-08-12
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Granted: 1966-07-26
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Expires: 1983-08-12
Abstract
No abstract record available.
Inventors
- 👤 Frederick F Rust
- 👤 Harold W Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:11
CPC Classifications
C; C07; C07C; C07C317/00; C07C317/44; C07C17/00; C07C17/26; C07C17/272; C07C17/275; C07C21/00; C07C21/02; C07C21/19; C07C22/00; C07C22/02; C07C255/00; C07C317/02; C07C317/04; C07C317/08; C07C317/14; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/69; C07C47/00; C07C47/02; C07C47/14; C07C47/20; C07C47/24; C07C49/00; C07C49/04; C07C49/16; C07C49/20; C07C49/227; C07C2601/00; C07C2601/12; C07C2601/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THE PROCESS FOR THE PRODUCTION OF A B-HALOORGANOSULFONE BY THE 1,2-ADDITION OF AN ORGANIC SULFONYL HALIDE HAVING UP TO 40 CARBON ATOMS AND FROM 1 TO 6 SULFONYL HLAIDE SUBSTITUENTS WHEREIN THE HALOGEN HAS AN ATOMIC NUMBER FROM 17 TO 35 TO AN OLEFINIC COMPOUND IN THE PRESENCE OF A CATALYTIC AMOUNT OF A COPPER SALT.
Claim 2
Dependent Claim
56 words
THE PROCESS FOR THE PRODUCTION OF A B-HALOORGANOSULFONE BY THE 1,2-ADDITION OF AN ORGANIC SULFONYL HALIDE HAVING UP TO 40 CARBON ATOMS AND FROM 1 TO 6 SULFONYL HLAIDE SUBSTITUENTS WHEREIN THE HALOGEN HAS AN ATOMIC NUMBER FROM 17 TO 35 TO AN OLEFINIC COMPOUND IN THE PRESENCE OF A CATALYTIC AMOUNT OF A COPPER SALT.
References Cited (Backward Citations)
US2573580A
Cited
US3022344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |