Method of producing cement clinker

United States of America Patent

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Apr 6, 1993
Grant Date
N/A
app pub date
Dec 2, 1991
filing date
Nov 30, 1990

priority date (Note)
Expired

status (Latency Note)

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Abstract

A rotary cement kiln is operated with predried paper sludge in a secondary combustion period. The predrying of the paper sludge from a moisture content of about 50% by weight to a moisture content of about 30% by weight is effected with flue ga from the inlet end of the rotary kiln.

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Patent Owner(s)

Patent Owner	Address
PWA ORTMANN AKTIENGESELLSCHAFT	A JOINT STOCK COMPANY OF AUSTRIA ENGERTHSTRASSE 161/163 A-1020 WIEN AUSTRIA
WOPFINGER STEIN-UND KALKWERKE SCHMID & CO	A CORPORATION OF AUSTRIA A-2754 WALDEGG/WOPFING AUSTRIA

International Classification(s)

C04B:LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREO....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ernstbrunner, Ludwig	Bad Fischau Brunn, AT	1	7

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Method of producing cement clinker

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07800528

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PATENT NO	5199987
SERIAL NO	07800528
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07800528

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Family

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