US3042541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating a casting mold and the treated mold
Assignee: Albi Manuf Co Inc
•
Filing: 1958-04-16
•
Granted: 1962-07-03
•
Expires: 1978-04-16
Abstract
No abstract record available.
Inventors
- 👤 Benjamin B Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:52
CPC Classifications
B; B22; B22C; B22C3/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31688; Y10T428/31703
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE METHOD OF TREATING A MOLD FDOR USE IN CASTING METALS WHICH COMPRISES APPLYING TO THE SURFACE OF THE MOLD WHICH IS TO COME INTO CONTACT WITH THE MOLTEN METAL A COATING OF A MOLD WASH COMPOSITION COMPRISING AN AQUEOUS DISPERSION CONTAINING (1) A CARBOHYDRATE; (2) AN ACIDIC MATERIAL SELECTED FROM THE CLASS CONSISTING OF MONOAMMONIUM PHOSPHATE, DIAMMONIUM PHOSPHATE, PHOSPHORIC ACID, AMMONIUM SULFATE, SULFAMIC ACID, AMMONIUM SULFAMATE AND AMMONIUM BROMIDE; AND (3) A RESIN SELECTED FROM THE CLASS CONSISTING OF UREA-FORMALDEHYDE, MELAMINE-FORMALDEHYDE, AND DICYANDIAMIDE-FORMALDEHYDE CONDENSATION PRODUCTS AND MIXTURES THEREOF, AND DRYING SAID COATED MOLD.
Claim 2
Independent Claim
94 words
THE METHOD OF TREATING A MOLD FDOR USE IN CASTING METALS WHICH COMPRISES APPLYING TO THE SURFACE OF THE MOLD WHICH IS TO COME INTO CONTACT WITH THE MOLTEN METAL A COATING OF A MOLD WASH COMPOSITION COMPRISING AN AQUEOUS DISPERSION CONTAINING (1) A CARBOHYDRATE; (2) AN ACIDIC MATERIAL SELECTED FROM THE CLASS CONSISTING OF MONOAMMONIUM PHOSPHATE, DIAMMONIUM PHOSPHATE, PHOSPHORIC ACID, AMMONIUM SULFATE, SULFAMIC ACID, AMMONIUM SULFAMATE AND AMMONIUM BROMIDE; AND (3) A RESIN SELECTED FROM THE CLASS CONSISTING OF UREA-FORMALDEHYDE, MELAMINE-FORMALDEHYDE, AND DICYANDIAMIDE-FORMALDEHYDE CONDENSATION PRODUCTS AND MIXTURES THEREOF, AND DRYING SAID COATED MOLD.
References Cited (Backward Citations)
US2297698A
Cited
US2234152A
Cited
US2358002A
Cited
US2452054A
Cited
US2632742A
Cited
US2684953A
Cited
US2679489A
Cited
US2912729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |