US3380840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain modified polyesteramides and the use thereof as adhesives
Assignee: General Mills Inc
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Filing: 1966-01-06
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Granted: 1968-04-30
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Expires: 1986-01-06
Abstract
No abstract record available.
Inventors
- 👤 Stuart A Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:55
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/60; C08G18/606
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
77 words
A MODIFIED POLYESTERAMIDE PREPARED BY REACTING 0.5 TO 50% BY WEIGHT OF AN ORGANIC POLYISOCYANATE OR POLYISOTHIOCYANATE WITH A POLYESTERAMIDE PREPARED BY REACTING (1) POLYMERIC FAT ACIDS DERIVED FROM MONOBASIC ALIPHATIC CARBOXYLIC ACIDS HAVING HYDROCARBON CHAINS OF 8-24 CARBON ATOMS, SAID POLYMERIC FAT ACIDS HAVING A DIMERIC FAT ACID CONTENT OF ABOUT 70 TO 100% BY WEIGHT, WITH ABOUT AN EQUIVALENT AMOUNT OF (2) AN ALKANOLAMINE SELECTED FROM THE GROUP CONSISTING OF MONOETHANOLAMINE, 3-AMINOPROPANOL-1 AND MIXTURES THEREOF.
Claim 2
Dependent Claim
77 words
A MODIFIED POLYESTERAMIDE PREPARED BY REACTING 0.5 TO 50% BY WEIGHT OF AN ORGANIC POLYISOCYANATE OR POLYISOTHIOCYANATE WITH A POLYESTERAMIDE PREPARED BY REACTING (1) POLYMERIC FAT ACIDS DERIVED FROM MONOBASIC ALIPHATIC CARBOXYLIC ACIDS HAVING HYDROCARBON CHAINS OF 8-24 CARBON ATOMS, SAID POLYMERIC FAT ACIDS HAVING A DIMERIC FAT ACID CONTENT OF ABOUT 70 TO 100% BY WEIGHT, WITH ABOUT AN EQUIVALENT AMOUNT OF (2) AN ALKANOLAMINE SELECTED FROM THE GROUP CONSISTING OF MONOETHANOLAMINE, 3-AMINOPROPANOL-1 AND MIXTURES THEREOF.
Claim 3
Dependent Claim
26 words
AN ADHESIVE SOLUTION COMPRISING AN ORGANIC SOLVENT AND ABOUT 5 TO 75% BY WEIGHT BASED ON THE TOTAL COMPOSITION OF THE MODIFIED POLYESTERAMIDE OF CLAIM 1.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |