US Patent No: 5,569,514
Number of patents in Portfolio can not be more than 2000
Method of forming a sand base article using a decomposable binder and the article formed thereby
Stats
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Oct 29, 1996
Issued date -
Jan 5, 1994
filing date -
08/177,556
serial no -
Expired
status
Importance
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Abstract
Sand-based biodegradable articles, such as planar frangible targets and formed three-dimensional tableware and food containers, are disclosed. The articles are made formed of a mixture of sand and a decomposable binder, the binder preferably comprising by weight 30-40% starch, 20-30% salt, 1-3% oil and water. The articles are preferably coated with a decomposable waterproof sealant.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 4,391,833 Method of making and using heat resistant resin coated paperboard product and product thereof | 41 | 1978 | |
| 4,877,932 Microwave container assembly | 17 | 1988 | |
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| 4,529,464 Process for manufacturing a food container by extrusion and vacuum forming | 7 | 1981 | |
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| 4,567,877 Heat storage food container | 42 | 1984 | |
| 4,699,725 Magnesium calcium acetate products, and process for their manufacture | 7 | 1986 | |
| 5,026,958 Cooking container or like assembly for the cooking of food utilizing a microwave oven | 27 | 1990 | |