US3217018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hci salts of the condensation product of an epihalohydrin with an aliphatic primary or secondary amine
Assignee: Universal Oil Products Co
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Filing: 1961-06-22
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Granted: 1965-11-09
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Expires: 1981-06-22
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Pollitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:26
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C07; C07D; C07D303/00; C07D303/02; C07D303/36; C08; C08G; C08G73/00; C08G73/02; C08G73/0206; C08G73/0213; C08G73/022; C10L1/22; C10L1/221; C10L1/26; C10L1/2633; C10L1/2658; C10L1/2691
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
AN OIL SOLUBLE HCL SALT OF AN ESTER OF STOICHIOMETRIC AMOUNTS OF AN ALIPHATIC CARBOXYLIC ACID OF FROM ABOUT 6 TO ABOUT 50 CARBON ATOMS PER MOLECULE AND THE POLYMERIC CONDENSATION PRODUCT, FORMED AT A TEMPERATURE OF FROM ABOUT 20*C. TO ABOUT 150*C., OF ONE MOL PROPORTION OF AN ALKYL AMINE SELECTED FROM THE GROUP CONSISTING OF PRIMARY AND SECONDARY AMINES CONTAINING FROM ABOUT 12 TO ABOUT 40 CARBON ATOMS PER MOLECULE WITH ONE MOL PROPORTION OF AN EPIHALOHYDRIN COMPOUND SELECTED FROM THE GROUP OF EPI-CHLOROHYDRIN, 1,2-EPI-4-CHLOROBUTANE, 2,3-EPI-4-CHLOROBUTANE, 1,2-EPI-5CHLOROPENTANE, 2,3-EPI-5-CHLOROPENTANE AND CORRESPONDING BROMO AND IODO COMPOUNDS, THEREAFTER REACTING WITH AN INORGANIC BASE SELECTED FROM THE GROUP CONSISTING OF SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE AT A TEMPERATURE OF FROM ABOUT 20*C. TO ABOUT 150*C. TO LIBERATE THE FREE AMINE, THEREBY FORMING AN INORGANIC HALIDE SALT, REMOVING SAID SALT, AND FURTHER REACTING AT A TEMPERATURE OF FROM ABOUT 20*C. TO ABOUT 150*C. TO FORM SAID POLYMERIC CONDENSATION PRODUCT, FROM ABOUT 1% TO ABOUT 20% OF THE AMINO NITROGEN IN SAID CONDENSATION PRODUCT BEING NEUTRALIZED WITH HC1.
Claim 2
Dependent Claim
174 words
AN OIL SOLUBLE HCL SALT OF AN ESTER OF STOICHIOMETRIC AMOUNTS OF AN ALIPHATIC CARBOXYLIC ACID OF FROM ABOUT 6 TO ABOUT 50 CARBON ATOMS PER MOLECULE AND THE POLYMERIC CONDENSATION PRODUCT, FORMED AT A TEMPERATURE OF FROM ABOUT 20*C. TO ABOUT 150*C., OF ONE MOL PROPORTION OF AN ALKYL AMINE SELECTED FROM THE GROUP CONSISTING OF PRIMARY AND SECONDARY AMINES CONTAINING FROM ABOUT 12 TO ABOUT 40 CARBON ATOMS PER MOLECULE WITH ONE MOL PROPORTION OF AN EPIHALOHYDRIN COMPOUND SELECTED FROM THE GROUP OF EPI-CHLOROHYDRIN, 1,2-EPI-4-CHLOROBUTANE, 2,3-EPI-4-CHLOROBUTANE, 1,2-EPI-5CHLOROPENTANE, 2,3-EPI-5-CHLOROPENTANE AND CORRESPONDING BROMO AND IODO COMPOUNDS, THEREAFTER REACTING WITH AN INORGANIC BASE SELECTED FROM THE GROUP CONSISTING OF SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE AT A TEMPERATURE OF FROM ABOUT 20*C. TO ABOUT 150*C. TO LIBERATE THE FREE AMINE, THEREBY FORMING AN INORGANIC HALIDE SALT, REMOVING SAID SALT, AND FURTHER REACTING AT A TEMPERATURE OF FROM ABOUT 20*C. TO ABOUT 150*C. TO FORM SAID POLYMERIC CONDENSATION PRODUCT, FROM ABOUT 1% TO ABOUT 20% OF THE AMINO NITROGEN IN SAID CONDENSATION PRODUCT BEING NEUTRALIZED WITH HC1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |