US2955951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-tacky acid salts of polyamide resins
Assignee: General Mills Inc
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Filing: 1959-04-27
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Granted: 1960-10-11
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Expires: 1979-04-27
Abstract
No abstract record available.
Inventors
- 👤 Aelony David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:24
CPC Classifications
C; C08; C08L; C08L77/00; C08L77/06; C08L77/08; C09; C09J; C09J177/00; C09J177/06; C09J177/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 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 BORIC ACID, SAID BORIC ACID BEING EMPLOYED IN A MOL RATIO OF 2/3-1 1/3 PER EQUIVALENT OF FREE AND UNREACTED AMINO RADICALS.
Claim 2
Dependent Claim
88 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 BORIC ACID, SAID BORIC ACID BEING EMPLOYED IN A MOL RATIO OF 2/3-1 1/3 PER EQUIVALENT OF FREE AND UNREACTED AMINO RADICALS.
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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |