US3050528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction product of oleic acid, sebacic acid, and triethylene tetramine
Assignee: WR Grace and Co
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Filing: 1960-12-28
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Granted: 1962-08-21
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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
2026-10-28 16:55
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
62 words
A COMPOSITION DERIVED BY REACTING IN A DEOXYGENATED SYSTEM 2 MOLS OF OLEIC ACID, 5 MOLES OF SEBACIC ACID, AND 6 MOLES OF TRITHYLENE TETRAMINE AT A TEMPERATURE OF ABOUT 50*C. TO 240*C. AND A PRESSURE OF ABOUT 10 TO 760MM. HG WHILE CONTINUOUSLY REMOVING THE WATER OF REACTION, AND CONTINUING THE REACTION UNTIL THE FLOW OF WATER OF RACTION SUBSTANTIALLY CEASES.
Claim 2
Dependent Claim
62 words
A COMPOSITION DERIVED BY REACTING IN A DEOXYGENATED SYSTEM 2 MOLS OF OLEIC ACID, 5 MOLES OF SEBACIC ACID, AND 6 MOLES OF TRITHYLENE TETRAMINE AT A TEMPERATURE OF ABOUT 50*C. TO 240*C. AND A PRESSURE OF ABOUT 10 TO 760MM. HG WHILE CONTINUOUSLY REMOVING THE WATER OF REACTION, AND CONTINUING THE REACTION UNTIL THE FLOW OF WATER OF RACTION 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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |