Patent US3036130A successfully refreshed from Google Patents.
US3036130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixtures of novel conjugated polyoxyethylene-polyoxypropylene compounds
Assignee: Wyandotte Chemicals Corp
•
Filing: 1957-09-10
•
Granted: 1962-05-22
•
Expires: 1977-09-10
Abstract
No abstract record available.
Inventors
- 👤 Donald R Jackson
- 👤 Lester G Lundsted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:03
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/24; C07C67/26; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
A SURFACE ACTIVE MIXTURE OF CONJUGATED POLYOXYALKYLENE COMPOUNDS, SAID COMPOUNDS CONSISTING OF A CHAIN OF OXYETHYLENE GROUPS, A CHAIN OF OXYPROPYLENE GROUPS AND THE NUCLEUS OF A REACTIVE HYDROGEN COMPOUND, SAID REACTIVE HYDROGEN COMPOUND HAVING UP TO AND INCLUDING 6 CARBON ATOMS PER MOLECULE AND HAVING ONLY A SINGLE REACTIVE HYDROGEN ATOM AND BEING SELECTED FROM THE GROUP CONSISTING OF MONOHYDROXY ALKANOLS IN WHICH THE HYDROXYL GROUP IS ATTACHED TO A PRIMARY CARBON ATOM, MONOHYDROXY ALKANOLS IN WHICH THE HYDROXYL GROUP IS ATTACHED TO A SECONDARY CARBON ATOM, SECONDARY DIALKYAMINES, MONOCARBOXYLIC ALKANOIC ACIDS, PHENOL, METHYL ETHER OF ETHYLENE GLYCOL, N-PROPYLETHANESULFONAMIDE, METHYL ACETAMIDE AND MORPHOLINE, THE STRUCTURE OF SAID COMPOUNDS BEING THAT ONE END OF SAID CHAIN OF OXYETHYLENE GROUPS IS ATTACHED TO THE NUCLEUS OF THE REACTIVE HYDROGEN COMPOUND AT THE SITE OF THE REACTIVE HYDROGEN COMPOUND''S REACTIVE HYDROGEN ATOM AND ONE END OF SAID CHAIN OF OXYPROPYLENE GROUPS IS ATTACHED TO THE OTHER END OF SAID CHAIN OF OXYETHYLENE GROUPS, THE AVERAGE MOLECULAR WEIGHT OF SAID CHAIN OF OXYPROPYLENE GROUPS BEING IN THE RANGE OF 371 TO ABOUT 25,000 AND THE WEIGHT OF SAID CHAIN OF OXYETHYLENE GROUPS CONSTITUTING FROM ABOUT 20 TO 90 WEIGHT PERCENT OF THE WEIGHT OF SAID SURFACE ACTIVE MIXTURE OF POLYOXYALKYLENE COMPOUNDS.
Claim 2
Dependent Claim
208 words
A SURFACE ACTIVE MIXTURE OF CONJUGATED POLYOXYALKYLENE COMPOUNDS, SAID COMPOUNDS CONSISTING OF A CHAIN OF OXYETHYLENE GROUPS, A CHAIN OF OXYPROPYLENE GROUPS AND THE NUCLEUS OF A REACTIVE HYDROGEN COMPOUND, SAID REACTIVE HYDROGEN COMPOUND HAVING UP TO AND INCLUDING 6 CARBON ATOMS PER MOLECULE AND HAVING ONLY A SINGLE REACTIVE HYDROGEN ATOM AND BEING SELECTED FROM THE GROUP CONSISTING OF MONOHYDROXY ALKANOLS IN WHICH THE HYDROXYL GROUP IS ATTACHED TO A PRIMARY CARBON ATOM, MONOHYDROXY ALKANOLS IN WHICH THE HYDROXYL GROUP IS ATTACHED TO A SECONDARY CARBON ATOM, SECONDARY DIALKYAMINES, MONOCARBOXYLIC ALKANOIC ACIDS, PHENOL, METHYL ETHER OF ETHYLENE GLYCOL, N-PROPYLETHANESULFONAMIDE, METHYL ACETAMIDE AND MORPHOLINE, THE STRUCTURE OF SAID COMPOUNDS BEING THAT ONE END OF SAID CHAIN OF OXYETHYLENE GROUPS IS ATTACHED TO THE NUCLEUS OF THE REACTIVE HYDROGEN COMPOUND AT THE SITE OF THE REACTIVE HYDROGEN COMPOUND''S REACTIVE HYDROGEN ATOM AND ONE END OF SAID CHAIN OF OXYPROPYLENE GROUPS IS ATTACHED TO THE OTHER END OF SAID CHAIN OF OXYETHYLENE GROUPS, THE AVERAGE MOLECULAR WEIGHT OF SAID CHAIN OF OXYPROPYLENE GROUPS BEING IN THE RANGE OF 371 TO ABOUT 25,000 AND THE WEIGHT OF SAID CHAIN OF OXYETHYLENE GROUPS CONSTITUTING FROM ABOUT 20 TO 90 WEIGHT PERCENT OF THE WEIGHT OF SAID SURFACE ACTIVE MIXTURE OF POLYOXYALKYLENE COMPOUNDS.
References Cited (Backward Citations)
US2549439A
Cited
US2549438A
Cited
US2574540A
Cited
US2574542A
Cited
US2677700A
Cited
US2791567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |