US3206511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-ionogenic polyamine ether capillary active compounds
Assignee: Novartis Corp
•
Filing: 1960-07-07
•
Granted: 1965-09-14
•
Expires: 1980-07-07
Abstract
No abstract record available.
Inventors
- 👤 Biudler Jakob
- 👤 Keller Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:21
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/60; D06P1/607; D06P1/6076; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
THE NON-IONOGENIC CAPILLARY ACTIVE ETHERS OBTAINED BY REACTING 1 MOL OF A POLYAMINE OF THE GENERAL FORMULA
Claim 2
Dependent Claim
17 words
THE NON-IONOGENIC CAPILLARY ACTIVE ETHERS OBTAINED BY REACTING 1 MOL OF A POLYAMINE OF THE GENERAL FORMULA
References Cited (Backward Citations)
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US2759021A
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US2884459A
Cited
GB811569A
Cited
US2953585A
Cited
US2956067A
Cited
US2953423A
Cited
US2944030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |