US3930872A
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Binder compositions
Assignee: Ashland LLC
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Filing: 1973-11-14
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Granted: 1976-01-06
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Expires: 1993-11-14
Abstract
Abstract A binder composition comprising boronated aluminum phosphate, water and material containing an alkaline earth metal and an oxide.
Inventors
- 👤 Richard H. Toeniskoetter
- 👤 John J. Spiwak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:28
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/18; B22C1/185; B22C1/181; B22C1/186
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
155 words
Binder composition which comprises: A. boronated aluminum phosphate containing boron in an amount from about 3 mole % to about 40 mole % based upon the moles of aluminum and containing a mole ratio of phosphorus to total moles of aluminum and boron of about 2:1 to about 4:1; B. an oxygen-containing alkaline earth metal compound capable of reacting with the aluminum phosphate and which contains alkaline earth metal and an oxide; and C. water; wherein the amount of boronated aluminum phosphate is from about 50 to about 95% by weight based upon the total weight of aluminum phosphate and alkaline earth compound; the amount of alkaline earth compound is from about 50 to about 5% by weight based upon the total weight of aluminum phosphate and alkaline earth compound; and the amount of water is from about 15 to about 50% by weight based upon the total weight of boronated aluminum phosphate and water.
Claim 2
Dependent Claim
155 words
Binder composition which comprises: A. boronated aluminum phosphate containing boron in an amount from about 3 mole % to about 40 mole % based upon the moles of aluminum and containing a mole ratio of phosphorus to total moles of aluminum and boron of about 2:1 to about 4:1; B. an oxygen-containing alkaline earth metal compound capable of reacting with the aluminum phosphate and which contains alkaline earth metal and an oxide; and C. water; wherein the amount of boronated aluminum phosphate is from about 50 to about 95% by weight based upon the total weight of aluminum phosphate and alkaline earth compound; the amount of alkaline earth compound is from about 50 to about 5% by weight based upon the total weight of aluminum phosphate and alkaline earth compound; and the amount of water is from about 15 to about 50% by weight based upon the total weight of boronated aluminum phosphate and water.
Claim 3
Dependent Claim
30 words
The binder composition of claim 1 wherein said boronated aluminum phosphate contains boron in an amount from about 5 to about 30 mole % based upon the moles of aluminum.
Claim 4
Dependent Claim
30 words
The binder composition of claim 1 wherein said boronated aluminum phosphate contains boron in an amount from about 10 to about 25 mole % based upon the moles of aluminum.
Claim 5
Dependent Claim
31 words
The binder composition of claim 1 wherein said boronated aluminum phosphate contains a mole ratio of phosphorus to total moles of aluminum and boron of from about 2.5:1 to about 3.5:1.
Claim 6
Dependent Claim
30 words
The binder composition of claim 1 wherein said aluminum phosphate contains a mole ratio of phosphorus to total moles of aluminum and boron of from about 2.8:1 to about 3.2:1.
Claim 7
Dependent Claim
51 words
The binder composition of claim 1 wherein said boronated aluminum phosphate contains boron in an amount between about 10 and about 25 mole % based upon the moles of aluminum, and wherein the mole ratio of phosphorus to total moles of aluminum and boron is between about 2.8:1 to about 3.2:1.
Claim 8
Dependent Claim
63 words
The binder composition of claim 1 wherein the amount of boronated aluminum phosphate is from about 65 to about 90% by weight based upon the total weight of boronated aluminum phosphate and alkaline earth compound, and the amount of alkaline earth compound is from about 10 to about 35% by weight based upon the total weight of aluminum phosphate and alkaline earth compound.
Claim 9
Dependent Claim
48 words
The binder composition of claim 1 wherein said alkaline earth compound includes a free alkaline earth metal oxide or a free alkaline earth metal hydroxide and wherein said oxide or hydroxide has a surface area no greater than about 8.5 m 2 /gram (measured by the BET procedure).
Claim 10
Dependent Claim
31 words
The binder composition of claim 8 wherein said free alkaline earth metal oxide or free alkaline earth metal hydroxide has a surface area no greater than about 3 m 2 /gram.
Claim 11
Dependent Claim
23 words
The binder composition of claim 1 wherein said alkaline earth metal compound has surface area no greater than about 8.5 m 2 /gram.
Claim 12
Dependent Claim
57 words
The binder composition of claim 1 wherein said alkaline earth metal compound is a mixture of a free alkaline earth metal oxide and a material which contains the alkaline earth metal and oxide in combination with another constituent and wherein said alkaline earth metal compound has a surface area no greater than about 8.5 m 2 /gram.
Claim 13
Dependent Claim
15 words
The binder composition of claim 11 wherein said alkaline earth metal oxide is magnesium oxide.
Claim 14
Dependent Claim
48 words
The binder composition of claim 11 wherein said mixture contains from about 2 to about 8 parts by weight of the free alkaline earth metal oxide per part by weight of the material containing constituents in combination with the free metal oxide and/or hydroxide and alkaline earth metal.
Claim 15
Dependent Claim
32 words
The binder composition of claim 1 wherein the amount of water is from about 20 to about 40% by weight based upon the total weight of the boronated aluminum phosphate and water.
Claim 16
Dependent Claim
94 words
The composition of claim 1 wherein the aluminum phosphate has a mole ratio of phosphorus to total moles of aluminum and boron of about 2.5:1 to about 3.5:1; wherein the aluminum phosphate contains boron in an amount from about 5 to about 30 mole % based upon the moles of aluminum; said alkaline earth compound includes free alkaline earth metal oxide and/or free alkaline earth metal hydroxide, and wherein said free alkaline earth metal oxide and/or free alkaline earth metal hydroxide has a surface area of no greater than about 3 m 2 /grams.
Claim 17
Dependent Claim
32 words
Molding composition which comprises: A. a major amount of aggregate; and B. an effective bonding amount up to about 40% by weight of the aggregate of the binder composition of claim 1.
Claim 18
Dependent Claim
29 words
The composition of claim 16 wherein the boronated aluminum phosphate contains boron in an amount from about 10 to about 25 mole % based upon the moles of aluminum.
Claim 19
Dependent Claim
16 words
The composition of claim 16 wherein the boronated aluminum phosphate contains a mole ratio of phosphorus
Claim 20
Dependent Claim
50 words
The composition of claim 16 wherein the boronated aluminum phosphate contains boron in an amount between about 10 and about 25 mole % based upon the moles of aluminum, and wherein the mole ratio of phosphorus to total moles of aluminum and boron is between about 2.8:1 to about 3.2:1.
Claim 21
Dependent Claim
62 words
The composition of claim 16 wherein the amount of boronated aluminum phosphate is from about 65 to about 90% by weight based upon the total weight of boronated aluminum phosphate and alkaline earth compound, and the amount of alkaline earth material is from about 10 to about 35% by weight based upon the total weight of aluminum phosphate and alkaline earth compound.
Claim 22
Dependent Claim
47 words
The composition of claim 16 wherein the alkaline earth compound includes a free alkaline earth metal oxide or a free alkaline earth metal hydroxide and wherein said oxide or hydroxide has a surface area no greater than about 8.5 m 2 /gram (measured by the BET procedure).
Claim 23
Dependent Claim
23 words
The composition of claim 16 wherein the alkaline earth metal material has a surface area no greater than about 8.5 m 2 /gram.
Claim 24
Dependent Claim
56 words
The composition of claim 16 wherein the alkaline earth metal compound is a mixture of a free alkaline earth metal oxide and a material which contains the alkaline earth metal and oxide in combination with another constituent and wherein said alkaline earth metal compound has a surface area no greater than about 8.5 m 2 /gram.
Claim 25
Dependent Claim
47 words
The composition of claim 23 wherein said mixture contains from about 2 to about 8 parts by weight of the free alkaline earth metal oxide per part by weight of the material containing constituents in combination with the free metal oxide and/or hydroxide and alkaline earth metal.
Claim 26
Dependent Claim
31 words
The composition of claim 16 wherein the amount of water is from about 20 to about 40% by weight based upon the total weight of the boronated aluminum phosphate and water.
Claim 27
Dependent Claim
132 words
A process for the fabrication of foundry shape which comprises: A. mixing foundry aggregate with a bonding amount of up to about 10% by weight based upon the weight of the aggregate of the composition of claim 1, and wherein the quantity and particle size of said aggregate are such to provide sufficient porosity in the foundry shape to permit escape of volatiles from the shape during casting; B. introducing the foundry mix obtained from step (A) into a pattern; C. allowing the foundry mix to remain in the pattern for a time at least sufficient for the mix to become self-supporting; and D. thereafter removing the shaped foundry mix of step (C) from the pattern, and allowing it to cure at room temperature, thereby obtaining a hard, solid, cured foundry shape.
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) | 1979-01-05 | 1979-07-07 | 1980-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-05 | 1983-07-07 | 1984-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-05 | 1987-07-07 | 1988-01-06 | $7700.00 | Window Closed / Lapsed |