Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-05-19
1999-02-02
Niland, Patrick D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524 13, 524 14, 524 15, 524 72, 524 73, 524596, 524702, 524841, 527403, C08J 300, C08K 1100, C08L 9700, C08L 9900
Patent
active
058666427
ABSTRACT:
A low molecular weight lignin fraction having a pre-selected molecular weight range prepared from lignin solution by ultrafiltration. The invention also relates to phenol-formaldehyde resin modified by the lignin fraction, adhesive comprising the modified resin, and a method for producing the lignin fraction and the resin.
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Baxter Gene F.
Dupre, Jr. Frederick C.
McVay Ted M.
Georgia-Pacific Resins Inc.
Niland Patrick D.
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