|
SE373896B
(pm)
*
|
1972-07-05 |
1975-02-17 |
Mo Och Domsjoe Ab |
|
|
SE373395B
(sv)
*
|
1972-12-19 |
1975-02-03 |
Mo Och Domsjoe Ab |
Forfarande for framstellning av cellulosamassa med hog ljushet genom uppslutning av ved med syrgas under tryck i nervaro av en kokvetska forsatt med basiska neutralisationsmedel
|
|
SE381692B
(sv)
*
|
1973-10-17 |
1975-12-15 |
Mo Och Domsjoe Ab |
Forfarande for forbettring av vermeekonomin vid kokning av lignocellulosamaterial i diskontinuerliga kokare
|
|
US4089737A
(en)
*
|
1974-02-18 |
1978-05-16 |
Toyo Pulp Company, Ltd. |
Delignification of cellulosic material with an alkaline aqueous medium containing oxygen dissolved therein
|
|
SE393138B
(sv)
*
|
1974-03-14 |
1977-05-02 |
Mo Och Domsjoe Ab |
Forfarande for blekning av cellulosa med en syre innehallande gas i nervaro av natriumbikarbonat
|
|
GB1505529A
(en)
*
|
1974-06-14 |
1978-03-30 |
Mo Och Domsjoe Ab |
Method for the oxygen-gas delignification of lignocellulosic material and apparatus for carrying out the method
|
|
US4338158A
(en)
*
|
1976-04-09 |
1982-07-06 |
Weyerhaeuser Company |
Pulping in the presence of a protector
|
|
US4080248A
(en)
*
|
1976-06-28 |
1978-03-21 |
Crown Zellerbach Corporation |
Two-stage oxygen pulping
|
|
US4172006A
(en)
*
|
1976-08-26 |
1979-10-23 |
Weyerhaeuser Company |
Method of delignifying wood chips with oxygen by adding cooking liquor under pressure
|
|
JPS5383012A
(en)
*
|
1976-12-28 |
1978-07-22 |
Fujitec Kk |
Device for controlling induction motor
|
|
US4664832A
(en)
*
|
1984-09-28 |
1987-05-12 |
State Of South Dakota As Represented By The Department Of Transportation |
Deicing chemicals and their preparation from polysaccharide sources
|
|
US6126781A
(en)
*
|
1991-08-01 |
2000-10-03 |
Union Camp Patent Holding, Inc. |
Process for conditioning ozone gas recycle stream in ozone pulp bleaching
|
|
CA2107764A1
(en)
*
|
1992-03-02 |
1993-09-16 |
Lawrence A. Hinkey |
Combined ozone destruction and fiber scrubbing in paper pulp mills
|
|
US5571378A
(en)
*
|
1993-11-23 |
1996-11-05 |
Hampshire Chemical Ltd. |
Process for high-pH metal ion chelation in pulps
|
|
US6210527B1
(en)
*
|
1994-03-14 |
2001-04-03 |
The Boc Group, Inc. |
Pulp bleaching method wherein an ozone bleaching waste stream is scrubbed to form an oxygen containing stream
|
|
SE516030C2
(sv)
*
|
1994-11-14 |
2001-11-12 |
Aga Ab |
Regenerering av en gasblandning från ett ozonbleksteg
|
|
US6475338B1
(en)
*
|
1996-06-05 |
2002-11-05 |
Andritz Inc. |
Method of minimizing transition metal ions during chemical pulping in a digester by adding chelating agent to the digester
|
|
EP1337315B1
(de)
*
|
2000-12-01 |
2004-09-29 |
Linde Aktiengesellschaft |
Verfahren zur reinigung von abgas aus einer zellstoffabrik
|
|
FI122815B
(fi)
*
|
2005-04-18 |
2012-07-13 |
Cerefi Oy |
Menetelmä lignoselluloosamateriaalien ja niistä saatujen jakeiden fraktioimiseksi
|