Patent US2898267A successfully refreshed from Google Patents.
US2898267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsifiable toxicant compositions and emulsifying agents therefor
Assignee: Witco Corp
•
Filing: 1955-09-07
•
Granted: 1959-08-04
•
Expires: 1975-09-07
Abstract
No abstract record available.
Inventors
- 👤 Paul L Lindner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:02
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/30; C; C09; C09K; C09K23/00; C09K23/017; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN AN EMULSIFYING AGENT FOR USE WITH SOLUTIONS OF TOXICANTS IN ORGANIC SOLVENTS TO SECURE CONCENTRATES READILY DISPERSIBLE IN WATER OFBARYING DEGREES OF HARDNESS, WHICH EMULSIFYING AGENT COMPRISES (A) A NONIONIC COMPONENT COMPRISING A COMPOUND HAVING ALIPOPHILIC GROUP CONTAINING AT LEAST 6 CARBON ATOMS AND A PCLYOXYALKYLENE RADICAL IN WHICH THERE IS PRESENT A POLYOXYETHYLENE CHAIN CONTAINING FROM 5 TO 45 OXYETHYLENE GROUPS TO RENDER SAID NONIONIC COMPOENENT WATER-SOLUBLE TO WATER-DISPERSIBLE, AND (B) AN ANIONIC COMPONENT WHICH INCLUDES AT LEAST ONE SALT OF AN ALKYL AROMATIC SULFONIC ACID IN WHICH AN ALKYL GROUP CONTAINS AT LEAST 5 CARBON ATOMS, THE IMPROVEMENT WHEREIN AT LEAST 15% OF THE SALTS OF THE SAID AROMATIC SULFONIC ACIDS CONSTITUTING THE ANIONIC COMPONENT ARE SALTS OF POLYAMINES HAVING 2 TO 4 CARBON ATOMS BETWEEN AMINE GROUPS.
Claim 2
Dependent Claim
131 words
IN AN EMULSIFYING AGENT FOR USE WITH SOLUTIONS OF TOXICANTS IN ORGANIC SOLVENTS TO SECURE CONCENTRATES READILY DISPERSIBLE IN WATER OFBARYING DEGREES OF HARDNESS, WHICH EMULSIFYING AGENT COMPRISES (A) A NONIONIC COMPONENT COMPRISING A COMPOUND HAVING ALIPOPHILIC GROUP CONTAINING AT LEAST 6 CARBON ATOMS AND A PCLYOXYALKYLENE RADICAL IN WHICH THERE IS PRESENT A POLYOXYETHYLENE CHAIN CONTAINING FROM 5 TO 45 OXYETHYLENE GROUPS TO RENDER SAID NONIONIC COMPOENENT WATER-SOLUBLE TO WATER-DISPERSIBLE, AND (B) AN ANIONIC COMPONENT WHICH INCLUDES AT LEAST ONE SALT OF AN ALKYL AROMATIC SULFONIC ACID IN WHICH AN ALKYL GROUP CONTAINS AT LEAST 5 CARBON ATOMS, THE IMPROVEMENT WHEREIN AT LEAST 15% OF THE SALTS OF THE SAID AROMATIC SULFONIC ACIDS CONSTITUTING THE ANIONIC COMPONENT ARE SALTS OF POLYAMINES HAVING 2 TO 4 CARBON ATOMS BETWEEN AMINE GROUPS.
References Cited (Backward Citations)
US2055588A
Cited
US2223935A
Cited
US2344539A
Cited
US2543852A
Cited
US2653136A
Cited
US2731338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |