US2915488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzoic acid-modified alkyd resins and their production
Assignee: Heyden Newport Chemical Corp
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Filing: 1956-05-17
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Granted: 1959-12-01
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Expires: 1976-05-17
Abstract
No abstract record available.
Inventors
- 👤 William M Kraft
- 👤 Hyman M Metz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:28
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN ALKYD RESIN WHICH IS THE RESINOUS PRODUCT OF THE ESTERIFICATION AT A TEMPERATURE OF AT LEAST ABOUT 225* C. OF A POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF PENTAERYTHRITOL, POLYPENTAERYTHRITOL, TRIMETHYLOLETHANE, TRIMETHYLOLPROPANE AND MIXTURES THEREOF WITH BENZOIC ACID, FATTY ACIDS CONTAINING 12-18 CARBON ATOMS INCLUSIVE, AND DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF PHTHALIC ACIDS, SATURATED ALIPHATIC DICARBOXYLIC ACIDS CONTAINING FROM 4 TO 10 CARBON ATOMS, FUMARIC ACID, MALEIC ACID, AND THE ANHYDRIDES OF SAID DICARBOXYLIC ACIDS, THE TOTAL MOLAR AMOUNT OF THE BEN-
Claim 2
Dependent Claim
87 words
AN ALKYD RESIN WHICH IS THE RESINOUS PRODUCT OF THE ESTERIFICATION AT A TEMPERATURE OF AT LEAST ABOUT 225* C. OF A POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF PENTAERYTHRITOL, POLYPENTAERYTHRITOL, TRIMETHYLOLETHANE, TRIMETHYLOLPROPANE AND MIXTURES THEREOF WITH BENZOIC ACID, FATTY ACIDS CONTAINING 12-18 CARBON ATOMS INCLUSIVE, AND DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF PHTHALIC ACIDS, SATURATED ALIPHATIC DICARBOXYLIC ACIDS CONTAINING FROM 4 TO 10 CARBON ATOMS, FUMARIC ACID, MALEIC ACID, AND THE ANHYDRIDES OF SAID DICARBOXYLIC ACIDS, THE TOTAL MOLAR AMOUNT OF THE BEN-
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) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |