Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
Deinking of printed paper is accomplished by repulping and defibering the printed paper in an alkaline aqueous medium containing a deinking composition to form an ink and pulp medium. The deinking composition is an alkoxylated lanolin derivative containing from about 55 to about 80% by weight of ethylene oxide and from about 15 to about 30% by weight of propylene oxide, based on the weight of the alkoxylated lanolin derivative.
patent: 4360439 (1982-11-01), Calmanti et al.
patent: 4390395 (1983-06-01), DeCeuster et al.
patent: 4416727 (1983-11-01), Elton et al.
patent: 4690821 (1987-09-01), Smith et al.
patent: 4964949 (1990-10-01), Hamaguchi et al.
patent: 5100574 (1992-03-01), Urushibata et al.
patent: 5227019 (1993-07-01), Borchardt
patent: 5258099 (1993-11-01), Borchardt
patent: 5288369 (1994-02-01), Ishibashi et al.
patent: 5417808 (1995-05-01), Okmoto et al.
patent: 5449763 (1995-09-01), Wulff et al.
Cook Anthony B.
Howell Gail M.
Rodriguez Jose M.
Czaja Donald E.
Fortune Jose A.
Geo Specialty Chemicals, Inc.
Alkoxylated lanolin derivatives as deinking agents does not yet have a rating. At this time, there are no reviews or comments for this patent.If you have personal experience with Alkoxylated lanolin derivatives as deinking agents, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Alkoxylated lanolin derivatives as deinking agents will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1101977