Paper making and fiber liberation – Processes and products – Reclamation – salvage or reuse of materials
Reexamination Certificate
2006-10-24
2006-10-24
Hug, Eric (Department: 1731)
Paper making and fiber liberation
Processes and products
Reclamation, salvage or reuse of materials
C162S005000, C162S158000, C162S183000, C162S185000, C435S278000
Reexamination Certificate
active
07125471
ABSTRACT:
Enzyme-treated papermaking sludges are provided, as are methods of making the enzyme-treated sludge. Papermaking processes that incorporate the enzyme-treated papermaking sludges into papermaking pulp are also provided as are paper and paperboard products made from the resultant pulp.
REFERENCES:
patent: 3047452 (1962-07-01), De Vos
patent: 4356060 (1982-10-01), Neckermann et al.
patent: 4410573 (1983-10-01), Narymskaya et al.
patent: 4923565 (1990-05-01), Fuentes et al.
patent: 4936994 (1990-06-01), Wiatr
patent: 5176796 (1993-01-01), Irie et al.
patent: 5240565 (1993-08-01), Williams
patent: 5330619 (1994-07-01), Johnson et al.
patent: 5356800 (1994-10-01), Jaquess
patent: 5501770 (1996-03-01), Sarkar et al.
patent: 5507952 (1996-04-01), Jaquess et al.
patent: 5527432 (1996-06-01), Leuthold et al.
patent: 5762756 (1998-06-01), Scott et al.
patent: 5780283 (1998-07-01), Lee
patent: 5962555 (1999-10-01), Glover
patent: 6017751 (2000-01-01), von der Osten et al.
patent: 6066233 (2000-05-01), Olsen et al.
patent: 6093282 (2000-07-01), Ryu et al.
patent: 6120648 (2000-09-01), Scott et al.
patent: 6241849 (2001-06-01), Franks
patent: 6413363 (2002-07-01), Hsu et al.
patent: 6610172 (2003-08-01), Lund et al.
patent: 1 049 597 (1983-10-01), None
patent: WO 99/43780 (1999-09-01), None
U.S. Appl. No. 09/883,140.
Fitzhenry James W.
Glover Daniel E.
Hart Brian G.
Hill, Jr. Walter B.
Hoekstra Philip M.
Buckman Laboratories International Inc.
Kilyk & Bowersox P.L.L.C.
LandOfFree
Papermaking process using enzyme-treated sludge, and products does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Papermaking process using enzyme-treated sludge, and products, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Papermaking process using enzyme-treated sludge, and products will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3708324