US2811495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixed suspensoids of epoxy resins and polyamide resins
Assignee: General Mills Inc
•
Filing: 1952-06-20
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Granted: 1957-10-29
•
Expires: 1972-06-20
Abstract
No abstract record available.
Inventors
- 👤 Wittcoff Harold
- 👤 Malcolm M Renfrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:19
CPC Classifications
C; C08; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
AN AQUEOUS DISPERSION OF AN EPOXY RESINOUS MATERIAL CONTAINING TERMINAL EPOXY GROUPS AND A POLYAMIDE REACTION PRODUCT OF POLYMERIC FAT ACIDS AND AN ALIPHATIC POLYAMINE CONTAINING TERMINAL AMINE GROUPS IN WHICH THE DISPERSION OF THE POLYAMIDE PARTICLES IS STABILIZED BY MEANS OF AN INTRINSIC DISPERSING AGENT COMPRISING SALT GROUPS FORMED BY THE REACTION OF THE TERMINAL AMINE GROUPS ON THE POLYAMIDE WITH A WATER SOLUBLE ORGANIC CARBOXYLIC ACID.
Claim 2
Dependent Claim
68 words
AN AQUEOUS DISPERSION OF AN EPOXY RESINOUS MATERIAL CONTAINING TERMINAL EPOXY GROUPS AND A POLYAMIDE REACTION PRODUCT OF POLYMERIC FAT ACIDS AND AN ALIPHATIC POLYAMINE CONTAINING TERMINAL AMINE GROUPS IN WHICH THE DISPERSION OF THE POLYAMIDE PARTICLES IS STABILIZED BY MEANS OF AN INTRINSIC DISPERSING AGENT COMPRISING SALT GROUPS FORMED BY THE REACTION OF THE TERMINAL AMINE GROUPS ON THE POLYAMIDE WITH A WATER SOLUBLE ORGANIC CARBOXYLIC ACID.
References Cited (Backward Citations)
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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) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |