Darkened headlap manufacturing process and product produced thereby
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United States of America Patent
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Mar 19, 2002
Grant Date -
N/A
app pub date -
Mar 8, 2000
filing date -
Mar 8, 2000
priority date (Note) -
Expired
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Abstract
Composition and process for preparing darkened headlap, the composition having base granules treated with a suspension containing: a hydrocarbon oil or a hydrocarbon/drying oil mixture; carbon black; and an organosilicon compound of formula I R.sub.n Si(OR').sub.4-n wherein R is a large organic group, such as a long-chain alkyl group, R' is lower alkyl of 1-6 carbons, and n is 1-3, or a siloxane polymer of two or more silane units.
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