US2908584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic adhesives of polyamide resins and polybasic aliphatic acids
Assignee: General Mills Inc
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Filing: 1956-01-11
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Granted: 1959-10-13
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Expires: 1976-01-11
Abstract
No abstract record available.
Inventors
- 👤 Aelony David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:49
CPC Classifications
C; C09; C09J; C09J177/00; C09J177/06; C09J177/08; C08; C08K; C08K5/00; C08K5/04; C08K5/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
COMPOSITIONS OF MATTER USEFUL AS THERMOPLASTIC ADHESIVES COMPOSED OF POLYAMIDES HAVING AN AMINE NUMBER IN THE RANGE OF 40-200 AND BEING DERIVED FROM POLYMERIC FATTY ACIDS SELECTED FROM THE GROUP CONSISTING OF POLYMERIZED LINOLEIC AND LINOLENIC ACID AND A POLYBASIC AMINE OF THE FORMULA H2N(RNH)NH WHERE R IS AN ALKYLENE RADICAL AND N IS AN INTEGER LESS THAN 6 HAVING FREE AND UNREACTED AMINO RADICALS AND POLYBASIC ALIPHATIC ACIDS HAVING AN ACID EQUIVALENT WEIGHT WITHIN THE RANGE OF 25 TO 100, SAID POLYBASIC ACID BEING EMPLOYED IN A MOL RATIO OF 2/3-11/3 PER EQUIVALENT OF FREE AND UNREACTED AMINO RADICALS.
Claim 2
Dependent Claim
100 words
COMPOSITIONS OF MATTER USEFUL AS THERMOPLASTIC ADHESIVES COMPOSED OF POLYAMIDES HAVING AN AMINE NUMBER IN THE RANGE OF 40-200 AND BEING DERIVED FROM POLYMERIC FATTY ACIDS SELECTED FROM THE GROUP CONSISTING OF POLYMERIZED LINOLEIC AND LINOLENIC ACID AND A POLYBASIC AMINE OF THE FORMULA H2N(RNH)NH WHERE R IS AN ALKYLENE RADICAL AND N IS AN INTEGER LESS THAN 6 HAVING FREE AND UNREACTED AMINO RADICALS AND POLYBASIC ALIPHATIC ACIDS HAVING AN ACID EQUIVALENT WEIGHT WITHIN THE RANGE OF 25 TO 100, SAID POLYBASIC ACID BEING EMPLOYED IN A MOL RATIO OF 2/3-11/3 PER EQUIVALENT OF FREE AND UNREACTED AMINO RADICALS.
References Cited (Backward Citations)
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US2345622A
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US2630397A
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US2609380A
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US2728737A
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US2768090A
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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) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |