|
US3380883A
(en)
*
|
1963-09-27 |
1968-04-30 |
Kamyr Ab |
Method and apparatus for performing prehydrolysis in a continuous counterflow digester
|
|
FI44514B
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
*
|
1963-12-13 |
1971-08-02 |
Kamyr Ab |
|
|
NO118474B
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
*
|
1964-01-25 |
1969-12-29 |
Kamyr Ab |
|
|
US3441475A
(en)
*
|
1965-07-09 |
1969-04-29 |
Domtar Ltd |
Continuous pulping apparatus
|
|
US3434920A
(en)
*
|
1965-10-07 |
1969-03-25 |
Frank B K Green |
Apparatus for continuous digesting
|
|
US3530034A
(en)
*
|
1969-05-16 |
1970-09-22 |
Itt Rayonier Inc |
Continuous aqueous prehydrolysis of wood chips
|
|
US3627629A
(en)
*
|
1970-05-06 |
1971-12-14 |
Bauer Bros Co |
Refining system and process
|
|
US4061193A
(en)
*
|
1975-09-15 |
1977-12-06 |
Kamyr, Inc. |
Method and apparatus for digesting cellulose material without screening digesting liquid withdrawn through the digester top
|
|
CH602963A5
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
*
|
1975-11-19 |
1978-08-15 |
Sulzer Ag |
|
|
US4193839A
(en)
*
|
1976-05-11 |
1980-03-18 |
Kamyr, Inc. |
Flow control method and apparatus for continuous wood chip digester screenless liquor extractor
|
|
US4212705A
(en)
*
|
1978-05-22 |
1980-07-15 |
Babington William M Jr |
Apparatus for recovering high pressure steam from a blow tank
|
|
CA1127357A
(en)
*
|
1978-05-23 |
1982-07-13 |
Makoto Kikuiri |
Process for producing alkali pulp
|
|
PT71072A
(en)
*
|
1979-04-11 |
1980-05-01 |
Rosenblads Patenter Ab |
Method for secondary heat recovery in batchwise cellulose digesting
|
|
US4385172A
(en)
*
|
1980-03-24 |
1983-05-24 |
International Paper Company |
Prevention of hornification of dissolving pulp
|
|
US4597832A
(en)
*
|
1981-10-01 |
1986-07-01 |
The United States Of America As Represented By The United States Department Of Energy |
Apparatus for converting biomass to a pumpable slurry
|
|
US5788812A
(en)
*
|
1985-11-05 |
1998-08-04 |
Agar; Richard C. |
Method of recovering furfural from organic pulping liquor
|
|
US5766413A
(en)
*
|
1993-04-23 |
1998-06-16 |
Kvaerner Pulping Ab |
Process for isothermal cooking pulp in a continuous digester
|
|
SE506458C2
(sv)
|
1996-02-09 |
1997-12-15 |
Kvaerner Pulping Tech |
Kontinuerlig kokning av cellulosahaltigt material med värmeväxling mellan kokaravdrag och cirkulerande kokvätska
|
|
US5766418A
(en)
*
|
1996-09-13 |
1998-06-16 |
Ahlstrom Machinery Inc. |
Handling fibrous material used to produce cellulose pulp
|
|
US5795438A
(en)
*
|
1996-11-04 |
1998-08-18 |
Ahlstrom Machinery Inc. |
Method and apparatus for feeding multiple digesters
|
|
US5985096A
(en)
*
|
1997-09-23 |
1999-11-16 |
Ahlstrom Machinery Inc. |
Vertical pulping digester having substantially constant diameter
|
|
US6123808A
(en)
*
|
1997-12-09 |
2000-09-26 |
Ahlstrom Machinery Inc. |
Distribution of dilution liquor to the discharge of a cellulose pulp digester
|
|
SE519555C2
(sv)
*
|
2002-05-21 |
2003-03-11 |
Kvaerner Pulping Tech |
Metod för kontinuerlig kokning av vedrådvara till cellulosamassa
|
|
FI120505B
(fi)
*
|
2002-07-12 |
2009-11-13 |
Stora Enso Oyj |
Jatkuvatoiminen menetelmä selluloosapohjaisen massan keittämiseksi sekä menetelmään soveltuva massankeitin
|
|
US8986504B1
(en)
|
2013-10-25 |
2015-03-24 |
International Paper Company |
Digester apparatus
|
|
WO2015155642A1
(en)
*
|
2014-04-07 |
2015-10-15 |
Stora Enso Oyj |
A method of digesting cellulose fibrous material in a continuous digester
|
|
US11162218B1
(en)
|
2020-09-30 |
2021-11-02 |
Robert Clayton |
Biomass pulp digester
|