Patent US2452563A successfully refreshed from Google Patents.
US2570094A
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Alkylolamine and morpholine salts of polymerized olefin sulfonic acids
Assignee: EIDP Inc
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Filing: 1950-03-28
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Granted: 1951-10-02
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Expires: 1970-03-28
Abstract
No abstract record available.
Inventors
- 👤 Bradley Harris Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
C; C09; C09D; C09D123/00; C09D123/26; C08; C08F; C08F8/00; C08F8/34; D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/17; Y10S260/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
A PROCESS OF PRODUCING A FILM-FORMING, THERMOPLASTIC COMPOSITION OF MATTER WHICH COMPRISES REACTING UPON A POLYSULFONYL CHLORIDE OF A POLYMERIZED OLEFIN WHICH CONTAINS IN THE MONOMERIC STATE FROM 2 TO 6 CARBON ATOMS, IN THE PRESENCE OF AN AQUEOUS ALCOHOLIC MEDIUM, WITH A NITROGENOUS BASE SELECTED FROM THE GROUP CONSISTING OF THE POLYETHANOLAMINES, THE POLYISOPROPANOLAMINES AND THE MORPHOLINES, WHEREBY TO EFFECT HYDROLYSIS OF THE SULFONYL CHLORIDE GROUPS TO SULFONIC ACID GROUPS AND NEUTRALIZATION OF THE LATTER IN SITU SAID NITROGENOUS BASE.
References Cited (Backward Citations)
US2324896A
Cited
GB593036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |