Patent US3060182A successfully refreshed from Google Patents.
US3060182A
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US
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Cationic surfactants and their preparation
Assignee: Zeneca Inc
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Filing: 1957-04-23
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Granted: 1962-10-23
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Expires: 1977-04-23
Abstract
No abstract record available.
Inventors
- 👤 John D Zech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:35
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/405; C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/221; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/145; C23F11/149; D06M13/385; D06M7/00; C10M; C10M2201/00; C10M2201/02; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/08; C10M2215/082; C10M2215/22; C10M2215/221; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/043; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/46; D06M2200/00; D06M2200/40; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19; Y10S260/20; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
20 words
A PROCESS WHICH COMPRISES REACTING AT A TEMPERATURE FROM ABOUT 75* TO 150* C. A REACTANT (1) OF THE FORMULA:
Claim 2
Dependent Claim
20 words
A PROCESS WHICH COMPRISES REACTING AT A TEMPERATURE FROM ABOUT 75* TO 150* C. A REACTANT (1) OF THE FORMULA:
Claim 3
Dependent Claim
23 words
THE PROCESS OF CLAIM 1 IN WHICH REACTANT (2) IS A CYCLIC NITROGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF IMIDAZOLINES AND TETRAHYDROPYRIMIDINES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |