Patent US833882A successfully refreshed from Google Patents.
Patent US2943068A successfully refreshed from Google Patents.
US2943068A
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Shell molding compositions
Assignee: Monsanto Chemicals Ltd
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Filing: 1957-08-23
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Granted: 1960-06-28
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Expires: 1977-08-23
Abstract
No abstract record available.
Inventors
- 👤 Freedman Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:53
CPC Classifications
C; C08; C08K; C08K13/00; C08K13/02; B; B22; B22C; B22C1/00; B22C1/16; B22C1/20; B22C1/22; B22C1/2233; B22C1/2246; B22C1/2253; C08L; C08L61/00; C08L61/04; C08L61/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A SHELL MOLDING COMPOSITION CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF (1) ABOUT 100 PARTS OF SAND, (2) ABOUT 1-5 PARTS OF A POTENTIALLY THERMOSETTING PHENOLIC RESIN SELECTED FROM THE GROUP CONSISTING OF ACID CATALYZED NOVOLAKS AND ALKALI-CATALYZED RESOLES, (3) ABOUT 0.02-0.75 PART OF A HARDENING AGENT SELECTED FROM THE GROUP CONSISTING OF HEXAMETHYLENETETRAMINE AND PARAFORMALDEHYDE AND (4) ABOUT 0.014-0.83 PART OF AN AQUEOUS DISPERSION CONSISTING ESSENTIALLY OF (A) 30-70 PARTS OF A SOLID WAX SELECTED FROM THE GROUP CONSISTING OF ETHYLENE-BIS-STEARAMIDE AND THE LEAD, CALCIUM, BARIUM, MAGNESIUM, ALUMINUM AND ZINC SOAPS OF STEARIC, PALMITIC AND OLEIC ACIDS, (B) 67-22 PARTS OF WATER AND (C) 3-8 PARTS OF A NON-IONIC MONO-ESTER OF A FATTY ACID CONTAINING 10-24 CARBON ATOMS AND A POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF AT LEAST 200.
Claim 2
Dependent Claim
132 words
A SHELL MOLDING COMPOSITION CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF (1) ABOUT 100 PARTS OF SAND, (2) ABOUT 1-5 PARTS OF A POTENTIALLY THERMOSETTING PHENOLIC RESIN SELECTED FROM THE GROUP CONSISTING OF ACID CATALYZED NOVOLAKS AND ALKALI-CATALYZED RESOLES, (3) ABOUT 0.02-0.75 PART OF A HARDENING AGENT SELECTED FROM THE GROUP CONSISTING OF HEXAMETHYLENETETRAMINE AND PARAFORMALDEHYDE AND (4) ABOUT 0.014-0.83 PART OF AN AQUEOUS DISPERSION CONSISTING ESSENTIALLY OF (A) 30-70 PARTS OF A SOLID WAX SELECTED FROM THE GROUP CONSISTING OF ETHYLENE-BIS-STEARAMIDE AND THE LEAD, CALCIUM, BARIUM, MAGNESIUM, ALUMINUM AND ZINC SOAPS OF STEARIC, PALMITIC AND OLEIC ACIDS, (B) 67-22 PARTS OF WATER AND (C) 3-8 PARTS OF A NON-IONIC MONO-ESTER OF A FATTY ACID CONTAINING 10-24 CARBON ATOMS AND A POLYETHYLENE GLYCOL HAVING AN AVERAGE MOLECULAR WEIGHT OF AT LEAST 200.
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) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |