US2544772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous emulsions containing hydrazine derivatives as emulsifying agents
Assignee: Olin Industries Inc
•
Filing: 1947-06-04
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Granted: 1951-03-13
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Expires: 1967-06-04
Abstract
No abstract record available.
Inventors
- 👤 Ludwig F Audrieth
- 👤 Paul H Mohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:39
CPC Classifications
C; C09; C09K; C09K23/00; C09K23/14; C09K23/16; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
AN AQUEOUS EMULSION HAVING WATER AS A CONTINUOUS PHASE AND WATER-INSOLUBLE ORGANIC MATERIAL AS A DISPERSE PHASE AND AN EMULSIFYING AGENT CONSISTING OF A HYDRAZINE ADDITION COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
31 words
AN AQUEOUS EMULSION HAVING WATER AS A CONTINUOUS PHASE AND WATER-INSOLUBLE ORGANIC MATERIAL AS A DISPERSE PHASE AND AN EMULSIFYING AGENT CONSISTING OF A HYDRAZINE ADDITION COMPOUND HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2371133A
Cited
US1266956A
Cited
US2018644A
Cited
US2290870A
Cited
US2220929A
Cited
US2346124A
Cited
US2355911A
Cited
US2311098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |