Color-stable polyalkyleneimine derivatives, fiberglass lubricants containing the same and processes for producing the same
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United States of America Patent
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Jun 4, 2002
Grant Date -
Mar 7, 2002
app pub date -
Mar 12, 2001
filing date -
Mar 13, 2000
priority date (Note) -
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Abstract
Polymer derivatives based upon polyalkyleneimine backbones having a color stabilizing-effective amount of their reactive amino functionalities substituted by either a carboxylic acid or an amino-protecting group such as urea, are disclosed. Methods for preparing said derivatives are also disclosed. Fiber lubricant compositions comprising said polymer derivatives, and the resistance to yellowing associated with such lubricants are disclosed. Also disclosed are methods for treating fibers using the polymer derivatives.
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