US3093655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carboxylic acid-polyethylene polyamine reaction mixture
Assignee: WR Grace and Co
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Filing: 1960-12-28
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Granted: 1963-06-11
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Expires: 1980-12-28
Abstract
No abstract record available.
Inventors
- 👤 Elizabeth C Dearborn
- 👤 Philip K Isaacs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:55
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/0605; C08G73/0616; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L79/00; C08L79/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A COMPOSITION DERIVED BY REACTING IN A DEOXYGENATED SYSTEM 1 MOLE OF OLEIC ACID, 1 MOLE OF SEBAIC ACID AND 2 MOLES OF TRIETHYLENE TETRAMINE AT A TEMPERATURE OF ABOUT 50*C. TO 240*C. AND A PRESSURE OF ABOUT 10 TO 760 MM. HG WHILE CONTINUOUSLY REMOVING THE WATER OF REACTION, AND CONTINUING THE REACTION UNTIL THE FLOW OF WATER OF REACTION SUBSTANTIALLY CEASES.
Claim 2
Dependent Claim
63 words
A COMPOSITION DERIVED BY REACTING IN A DEOXYGENATED SYSTEM 1 MOLE OF OLEIC ACID, 1 MOLE OF SEBAIC ACID AND 2 MOLES OF TRIETHYLENE TETRAMINE AT A TEMPERATURE OF ABOUT 50*C. TO 240*C. AND A PRESSURE OF ABOUT 10 TO 760 MM. HG WHILE CONTINUOUSLY REMOVING THE WATER OF REACTION, AND CONTINUING THE REACTION UNTIL THE FLOW OF WATER OF REACTION SUBSTANTIALLY CEASES.
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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |