US2532240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated alkyd foam resins
Assignee: Monsanto Chemicals Ltd
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Filing: 1949-07-09
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Granted: 1950-11-28
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Expires: 1969-07-09
Abstract
No abstract record available.
Inventors
- 👤 John B Ott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:20
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/10; C08J9/104; C08J9/105; C08L; C08L67/00; C08L67/06; C08J2367/00; C08J2367/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A SYNTHETIC RESIN FOAM PREPARED BY HEATING AT 140 TO 150*C. A MIXTURE COMPRISING 100 PARTS OF A FUSIBLE UNSATURATED ALKYD RESIN HAVING AN ACID NUMBER OF AT LEAST 100, SAID ALKYD RESIN HAVING BEEN DERIVED FROM A DIHYDRIC ALCOHOL AND AN UNSATURATED DIBASIC CARBOXYLIC ACID, 10 TO 25 PARTS OF A MELAMINE DERIVATIVE TAKEN FROM THE GROUP CONSISTING OF METHYLOL MELAMINES AND THE LOWER ALKYL ETHERS THEREOF IN WHICH THE ALKYL GROUP CONTAINS FROM 1 TO 8 CARBON ATOMS, AND 1 TO 25 PARTS OF DIPHENYL04,4''-DI(SULFONYL AZIDE).
Claim 2
Dependent Claim
88 words
A SYNTHETIC RESIN FOAM PREPARED BY HEATING AT 140 TO 150*C. A MIXTURE COMPRISING 100 PARTS OF A FUSIBLE UNSATURATED ALKYD RESIN HAVING AN ACID NUMBER OF AT LEAST 100, SAID ALKYD RESIN HAVING BEEN DERIVED FROM A DIHYDRIC ALCOHOL AND AN UNSATURATED DIBASIC CARBOXYLIC ACID, 10 TO 25 PARTS OF A MELAMINE DERIVATIVE TAKEN FROM THE GROUP CONSISTING OF METHYLOL MELAMINES AND THE LOWER ALKYL ETHERS THEREOF IN WHICH THE ALKYL GROUP CONTAINS FROM 1 TO 8 CARBON ATOMS, AND 1 TO 25 PARTS OF DIPHENYL04,4''-DI(SULFONYL AZIDE).
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) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |