Patent US4212151A successfully refreshed from Google Patents.
US2572085A
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Alkyd resins
Assignee: General Mills Inc
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Filing: 1947-05-08
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Granted: 1951-10-23
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Expires: 1967-05-08
Abstract
No abstract record available.
Inventors
- 👤 Wittcoff Harold
- 👤 Roach John Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:04
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/46; C08G63/48; C08G63/66; C08G63/668
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A MODIFIED ALKYD RESIN COMPRISING THE ESTER REACTION PRODUCT OF A POLYBASIC CARBOXYLIC ACID, SOYBEAN OIL FATTY ACIDS, AND A NON-DISTILLABLE CROSS-LINKED POLYMERIC POLYHYDRIC ALCOHOL, SAID POLYHYDRIC ALCOHOL RESULTING FROM THE SUBSTANTIALLY COMPLETE CONDENSATION UNDER ALKALINE CONDITIONS OF GLYCEROL DICHLORHYDRIN WITH A POLYHYDROXY COMPOUND SELECTED FROM THE GROUP CONSISTING OF PENTAERYTHRITOL AND GLYCEROL, THE GLYCEROL DICHLORHYDRIN BEING EMPLOYED IN THE RELATIVE PROPORTION OF FROM ONE-HALF TO TWO MOLES PER MOLE OF POLYHYDROXY COMPOUND.
Claim 2
Dependent Claim
73 words
A MODIFIED ALKYD RESIN COMPRISING THE ESTER REACTION PRODUCT OF A POLYBASIC CARBOXYLIC ACID, SOYBEAN OIL FATTY ACIDS, AND A NON-DISTILLABLE CROSS-LINKED POLYMERIC POLYHYDRIC ALCOHOL, SAID POLYHYDRIC ALCOHOL RESULTING FROM THE SUBSTANTIALLY COMPLETE CONDENSATION UNDER ALKALINE CONDITIONS OF GLYCEROL DICHLORHYDRIN WITH A POLYHYDROXY COMPOUND SELECTED FROM THE GROUP CONSISTING OF PENTAERYTHRITOL AND GLYCEROL, THE GLYCEROL DICHLORHYDRIN BEING EMPLOYED IN THE RELATIVE PROPORTION OF FROM ONE-HALF TO TWO MOLES PER MOLE OF POLYHYDROXY COMPOUND.
References Cited (Backward Citations)
US1922459A
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US2363016A
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US1424137A
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US1696337A
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US2182397A
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US2409332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-22 | 1955-04-23 | 1955-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-22 | 1959-04-23 | 1959-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-22 | 1963-04-23 | 1963-10-23 | $7700.00 | Window Closed / Lapsed |