US2953535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin binder compositions
Assignee: Hexion Inc
•
Filing: 1957-09-11
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Granted: 1960-09-20
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Expires: 1977-09-11
Abstract
No abstract record available.
Inventors
- 👤 Harold K Salzberg
- 👤 Clair R Barber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:58
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3442; C08K5/3445; B; B22; B22C; B22C1/00; B22C1/16; B22C1/20; B22C1/22; B22C1/2233; B22C1/2246
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A FOUNDRY SAND COMPOSITION COMPRISING SAND AND AN ADMIXED BINDER THEREFOR IN THE PROPORTION OF ABOUT 1-10 PARTS BY WEIGHT OF THE BINDER ON THE DRY BASIS FOR 100 OF THE SAND, THE BINDER COMPRISING A MIXTURE OF (1) A WATER DISPERSIBLE RESINOUS COMPONENT CONSISTING ESSENTIALLY OF A RESIN SELECTED FROM THE GROUP CONSISTING OF MONONUCLEAR PHENOL-FORMALDEHYDE RESOLES AND CONDENSATION PRODUCTS OF FORMALDEHYDE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA AND MELAMINE AND (2) N-ETHANOL HEPTADECENYL IMIDAZOLINE IN THE FORM OF A SALT THEREOF WITH A SOAP FORMING CARBOXYLIC ACID HAVING ABOUT 9-18 CARBON ATOMS TO THE MOLECULE, THE PROPORTIONS BEING 1-15 PARTS OF THE SAID AMINE AND 1-15 PARTS OF THE SAID ACID FOR 100 PARTS OF THE SAID RESINOUS COMPONENT.
Claim 2
Dependent Claim
125 words
A FOUNDRY SAND COMPOSITION COMPRISING SAND AND AN ADMIXED BINDER THEREFOR IN THE PROPORTION OF ABOUT 1-10 PARTS BY WEIGHT OF THE BINDER ON THE DRY BASIS FOR 100 OF THE SAND, THE BINDER COMPRISING A MIXTURE OF (1) A WATER DISPERSIBLE RESINOUS COMPONENT CONSISTING ESSENTIALLY OF A RESIN SELECTED FROM THE GROUP CONSISTING OF MONONUCLEAR PHENOL-FORMALDEHYDE RESOLES AND CONDENSATION PRODUCTS OF FORMALDEHYDE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA AND MELAMINE AND (2) N-ETHANOL HEPTADECENYL IMIDAZOLINE IN THE FORM OF A SALT THEREOF WITH A SOAP FORMING CARBOXYLIC ACID HAVING ABOUT 9-18 CARBON ATOMS TO THE MOLECULE, THE PROPORTIONS BEING 1-15 PARTS OF THE SAID AMINE AND 1-15 PARTS OF THE SAID ACID FOR 100 PARTS OF THE SAID RESINOUS COMPONENT.
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) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |