US2596089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters of chlorinated phenoxyacetic acids
Assignee: Henkel Corp
•
Filing: 1951-04-07
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Granted: 1952-05-13
•
Expires: 1971-04-07
Abstract
No abstract record available.
Inventors
- 👤 William W Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:35
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/66; C07C69/67; C07C69/708; C07C69/712
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
AN ESTER OF AN ACID OF THE GROUP CONSISTING OF 2,4-DICHLOROPHENOXYACETIC ACID AND 2.4.5-TRICHLOROPHENOXYACETIC ACID WITH AN ETHER ALCOHOL OF THE FORMULA R.O.CH2.CH2.O.CH2.CH2.OH, WHEREIN R IS OF THE GROUP CONSISTING OF LOWER ALKYL, BENZYL AND PHENYL.
Claim 2
Dependent Claim
36 words
AN ESTER OF AN ACID OF THE GROUP CONSISTING OF 2,4-DICHLOROPHENOXYACETIC ACID AND 2.4.5-TRICHLOROPHENOXYACETIC ACID WITH AN ETHER ALCOHOL OF THE FORMULA R.O.CH2.CH2.O.CH2.CH2.OH, WHEREIN R IS OF THE GROUP CONSISTING OF LOWER ALKYL, BENZYL AND PHENYL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |