Tar dissolution process

United States of America Patent

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Oct 8, 1996
Grant Date
N/A
app pub date
Aug 24, 1994
filing date
Aug 24, 1994

priority date (Note)
Expired

status (Latency Note)

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Abstract

A Mannich reaction product of reactants selected from alkylated phenols, a polyamine and an aldehyde is employed to dissolve tar deposits in coke oven piping and transmission lines.

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Patent Owner(s)

Patent Owner	Address
BETZ LABORATORIES INC	4636 SOMERTON RD A CORP OF THE COMMONWEALTH OF PA TREVOSE PA 19047

International Classification(s)

C10G:CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HY....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Roling, Paul V	Spring, TX	33	367

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Tar dissolution process

Number of patents in Portfolio can not be more than 2000

United States of America Patent

08295310

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PATENT NO	5562816
SERIAL NO	08295310
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08295310

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