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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0967490 (1992-10-23) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 15 인용 특허 : 0 |
The invention provides a novel formed product and method of producing a hard, dry, e.g., agglomerated or formed, product useful as a construction material comprising: a) papermill sludge made up of paper fiber, clay and calcium carbonate, b) ash such as coal ash (typically stack scrubber solids obta
A method of producing environmentally stable formed bodies useful as an unfused building material including as ingredients, ash and papermill waste containing cellulose fiber and clay, said method comprising, admixing about 3-7 parts by weight of said ash and 7-3 parts by weight of said papermill wa
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