US2529494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chloroalkyl aryloxyalkyl sulfites as new chemicals and insecticides
Assignee: Uniroyal Inc
•
Filing: 1948-10-29
•
Granted: 1950-11-14
•
Expires: 1968-10-29
Abstract
No abstract record available.
Inventors
- 👤 Walter D Harris
- 👤 Herman D Tate
- 👤 John W Zukel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:49
CPC Classifications
C; C07; C07C; C07C301/00; A; A01; A01N; A01N41/00; A01N41/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
A COMPOSITION COMPRISING A DI-ESTER OF SULFUROUS ACID WHEREIN ONE OF THE ESTERIFYING GROUPS IS A RADICAL OF THE FORMULA R-O-X-, WHEREIN R, IS SELECTED FROM THE CLASS CONSISTING OF MONOVALENT ARYL HYDROCARBON RADICALS AND SUCH RADICALS SUBSTITUTED BY AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF ALKYL, ALKOXY, CYCLOALKYL, HALO AND NITRO, AND X IS AN ALKYLENE RADICAL HAVING 2 TO 4 CARBON ATOMS; AND WHEREIN THE OTHER ESTERIFYING GROUP IS A MONOCHLOROALKYL RADICAL CONTAINING 2 TO 4 CARBON ATOMS IN WHICH AT LEAST ONE HYDROGEN ATOM IS ATTACHED TO THE ALPHA CARBON ATOM AND IN WHICH THE CHLORINE ATOM IS ATTACHED TO A CARBON ATOM OTHER THAN THE ALPHA CARBON ATOM, AND A SURFACE-ACTIVE DISPERSING AGENT.
References Cited (Backward Citations)
US2377418A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |