US3240721A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylene oxide adducts of polyalkylene- polyamine-epihalohydrin condensation products
Assignee: Rohm and Haas Co
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Filing: 1960-06-30
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Granted: 1966-03-15
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 David B Fordyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:03
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/36; A; A01; A01N; A01N25/00; A01N25/30; C02; C02F; C02F1/00; C02F1/52; C02F1/54; C08; C08G; C08G59/00; C08G59/02; C08G59/10; C08G73/00; C08G73/02; D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/54; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07; Y10S516/905; Y10S516/914; Y10S516/916
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
AS A COMPOSITION OF MATTER, A REACTION PRODUCT OBTAINED BY REACTION AT A PH OF ABOUT 6 TO 7 AND A TEMPERATURE OF 45 TO 85*C. OF AN ALKYLENE OXIDE SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE AND PROPYLENE OXIDE WITH A CONDENSATION PRODUCT RESULTING FROM THE CONDENSATION AT A TEMPERATURE OF ABOUT 60 TO 85*C. OF EPICHLOROHYDRIN WITH A POLY(ALKYLENE)POLYAMINE OF THE FORMULA
Claim 2
Dependent Claim
65 words
AS A COMPOSITION OF MATTER, A REACTION PRODUCT OBTAINED BY REACTION AT A PH OF ABOUT 6 TO 7 AND A TEMPERATURE OF 45 TO 85*C. OF AN ALKYLENE OXIDE SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE AND PROPYLENE OXIDE WITH A CONDENSATION PRODUCT RESULTING FROM THE CONDENSATION AT A TEMPERATURE OF ABOUT 60 TO 85*C. OF EPICHLOROHYDRIN WITH A POLY(ALKYLENE)POLYAMINE OF THE FORMULA
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |