FI110698B - Lignoselluloosamateriaalien proteaasilla katalysoidut käsittelyt - Google Patents
Lignoselluloosamateriaalien proteaasilla katalysoidut käsittelyt Download PDFInfo
- Publication number
- FI110698B FI110698B FI925352A FI925352A FI110698B FI 110698 B FI110698 B FI 110698B FI 925352 A FI925352 A FI 925352A FI 925352 A FI925352 A FI 925352A FI 110698 B FI110698 B FI 110698B
- Authority
- FI
- Finland
- Prior art keywords
- pulp
- protease
- bleaching
- enzyme
- process according
- Prior art date
Links
- 239000012978 lignocellulosic material Substances 0.000 title 1
- 239000004365 Protease Substances 0.000 claims description 66
- 108091005804 Peptidases Proteins 0.000 claims description 54
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 claims description 39
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 235000019419 proteases Nutrition 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 26
- 108090000526 Papain Proteins 0.000 claims description 18
- 229940055729 papain Drugs 0.000 claims description 18
- 235000019834 papain Nutrition 0.000 claims description 18
- 238000004061 bleaching Methods 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 14
- 102000004169 proteins and genes Human genes 0.000 claims description 14
- 108090000623 proteins and genes Proteins 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 13
- 102000004190 Enzymes Human genes 0.000 claims description 11
- 108090000790 Enzymes Proteins 0.000 claims description 11
- 229940088598 enzyme Drugs 0.000 claims description 11
- 108010059892 Cellulase Proteins 0.000 claims description 10
- 101710129170 Extensin Proteins 0.000 claims description 8
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 6
- 101710121765 Endo-1,4-beta-xylanase Proteins 0.000 claims description 5
- PMMYEEVYMWASQN-DMTCNVIQSA-N Hydroxyproline Chemical compound O[C@H]1CN[C@H](C(O)=O)C1 PMMYEEVYMWASQN-DMTCNVIQSA-N 0.000 claims description 4
- 229920001131 Pulp (paper) Polymers 0.000 claims description 4
- PMMYEEVYMWASQN-UHFFFAOYSA-N dl-hydroxyproline Natural products OC1C[NH2+]C(C([O-])=O)C1 PMMYEEVYMWASQN-UHFFFAOYSA-N 0.000 claims description 4
- 229960002591 hydroxyproline Drugs 0.000 claims description 4
- FGMPLJWBKKVCDB-UHFFFAOYSA-N trans-L-hydroxy-proline Natural products ON1CCCC1C(O)=O FGMPLJWBKKVCDB-UHFFFAOYSA-N 0.000 claims description 4
- 239000004155 Chlorine dioxide Substances 0.000 claims description 3
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 102000029816 Collagenase Human genes 0.000 claims description 2
- 108060005980 Collagenase Proteins 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 229910001902 chlorine oxide Inorganic materials 0.000 claims description 2
- 230000003301 hydrolyzing effect Effects 0.000 claims description 2
- 108010003855 mesentericopeptidase Proteins 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000012670 alkaline solution Substances 0.000 claims 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims 2
- 230000008595 infiltration Effects 0.000 claims 2
- 238000001764 infiltration Methods 0.000 claims 2
- -1 thermosolysins Proteins 0.000 claims 2
- 241000233866 Fungi Species 0.000 claims 1
- 101710180399 Glycine-rich protein Proteins 0.000 claims 1
- 108010056079 Subtilisins Proteins 0.000 claims 1
- 102000005158 Subtilisins Human genes 0.000 claims 1
- 102100028262 U6 snRNA-associated Sm-like protein LSm4 Human genes 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 229920005610 lignin Polymers 0.000 description 25
- 102000035195 Peptidases Human genes 0.000 description 15
- 239000002023 wood Substances 0.000 description 14
- 235000018102 proteins Nutrition 0.000 description 12
- 229920002678 cellulose Polymers 0.000 description 9
- 235000010980 cellulose Nutrition 0.000 description 9
- 102000057297 Pepsin A Human genes 0.000 description 8
- 108090000284 Pepsin A Proteins 0.000 description 8
- 229940106157 cellulase Drugs 0.000 description 8
- 239000001913 cellulose Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000000835 fiber Substances 0.000 description 8
- 229940111202 pepsin Drugs 0.000 description 8
- 108010004032 Bromelains Proteins 0.000 description 6
- 235000019835 bromelain Nutrition 0.000 description 6
- 206010061592 cardiac fibrillation Diseases 0.000 description 6
- 230000002600 fibrillogenic effect Effects 0.000 description 6
- 210000002421 cell wall Anatomy 0.000 description 5
- 108010062085 ligninase Proteins 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 4
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 4
- 239000012632 extractable Substances 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- 239000010452 phosphate Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 238000011534 incubation Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 239000004471 Glycine Substances 0.000 description 2
- 102000003992 Peroxidases Human genes 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 230000002255 enzymatic effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000003359 percent control normalization Methods 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 244000099147 Ananas comosus Species 0.000 description 1
- 235000007119 Ananas comosus Nutrition 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 239000001828 Gelatine Substances 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- ONIBWKKTOPOVIA-BYPYZUCNSA-N L-Proline Chemical compound OC(=O)[C@@H]1CCCN1 ONIBWKKTOPOVIA-BYPYZUCNSA-N 0.000 description 1
- OUYCCCASQSFEME-QMMMGPOBSA-N L-tyrosine Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-QMMMGPOBSA-N 0.000 description 1
- 108010059896 Manganese peroxidase Proteins 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 108010029182 Pectin lyase Proteins 0.000 description 1
- 241000228143 Penicillium Species 0.000 description 1
- 108700020962 Peroxidase Proteins 0.000 description 1
- ONIBWKKTOPOVIA-UHFFFAOYSA-N Proline Natural products OC(=O)C1CCCN1 ONIBWKKTOPOVIA-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 108090000787 Subtilisin Proteins 0.000 description 1
- 108090001109 Thermolysin Proteins 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229960002424 collagenase Drugs 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000006911 enzymatic reaction Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 108020004410 pectinesterase Proteins 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 108040007629 peroxidase activity proteins Proteins 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 229920001221 xylan Polymers 0.000 description 1
- 150000004823 xylans Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P21/00—Preparation of peptides or proteins
- C12P21/06—Preparation of peptides or proteins produced by the hydrolysis of a peptide bond, e.g. hydrolysate products
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/04—Centrally acting analgesics, e.g. opioids
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Microbiology (AREA)
- Wood Science & Technology (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Genetics & Genomics (AREA)
- General Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurology (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Pain & Pain Management (AREA)
- Neurosurgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US80045991A | 1991-11-26 | 1991-11-26 | |
| US80045991 | 1991-11-26 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI925352A0 FI925352A0 (fi) | 1992-11-25 |
| FI925352L FI925352L (fi) | 1993-05-27 |
| FI110698B true FI110698B (fi) | 2003-03-14 |
Family
ID=25178452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI925352A FI110698B (fi) | 1991-11-26 | 1992-11-25 | Lignoselluloosamateriaalien proteaasilla katalysoidut käsittelyt |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5374555A (de) |
| EP (1) | EP0546721B1 (de) |
| AT (1) | AT4589U3 (de) |
| BR (1) | BR9204539A (de) |
| CA (1) | CA2082185C (de) |
| DE (1) | DE69224173T2 (de) |
| ES (1) | ES2111621T3 (de) |
| FI (1) | FI110698B (de) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997040194A1 (en) * | 1996-04-25 | 1997-10-30 | Union Camp Corporation | Improved method for biological pretreatment of wood chips |
| EP0905306A1 (de) | 1997-09-26 | 1999-03-31 | Consortium für elektrochemische Industrie GmbH | Mehrkomponentensystem zum Verändern, Abbau oder Bleichen von Lignin, ligninhaltigen Materialien sowie Verfahren zu seiner Anwendung |
| ATE228653T1 (de) * | 1998-01-07 | 2002-12-15 | Allen K Murray | Verfahren zur bewertung des wachstumstress von kohlenhydrat-enthaltenden pflanzischen materialen |
| US6506592B1 (en) | 1998-08-18 | 2003-01-14 | Board Of Regents Of The University Of Nebraska | Hyperthermophilic alpha-glucosidase gene and its use |
| CN1675365A (zh) * | 2002-06-14 | 2005-09-28 | 戴弗萨公司 | 木聚糖酶、编码木聚糖酶的核酸以及制备和应用它们的方法 |
| SE525872C2 (sv) * | 2002-09-06 | 2005-05-17 | Stora Enso Ab | Metod att tillverka mekanisk massa med reducerad energikonsumtion |
| FI20031818L (fi) * | 2003-12-11 | 2005-06-12 | Valtion Teknillinen | Menetelmä mekaanisen massan valmistamiseksi |
| US20070062654A1 (en) * | 2005-09-16 | 2007-03-22 | Enzymatic Deinking Technologies, Llc | Treatment of wood chips using enzymes |
| BRPI0707784B1 (pt) | 2006-02-14 | 2018-05-22 | Verenium Corporation | Ácido nucléico isolado, sintético ou recombinante, cassete de expressão, vetor ou veículo de clonagem, célula hospedeira isolada transformada, e método para produção de um polipeptídeo recombinante |
| US8293174B2 (en) | 2007-10-17 | 2012-10-23 | American Sterilizer Company | Prion deactivating composition and methods of using same |
| US7812947B2 (en) * | 2008-01-21 | 2010-10-12 | Honeywell International Inc. | Apparatus and method for measuring and/or controlling paper pulp properties |
| US8049892B2 (en) * | 2008-01-22 | 2011-11-01 | Honeywell International Inc. | Apparatus and method for camera-based color measurements |
| US7592608B2 (en) * | 2008-01-22 | 2009-09-22 | Honeywell International Inc. | Apparatus and method for measuring and/or controlling ultraviolet-activated materials in a paper-making process |
| MX2011007504A (es) | 2009-01-13 | 2011-12-16 | Ca Nat Research Council | Preparacion enzimatica de fibras vegetales. |
| JP2011200214A (ja) * | 2010-03-24 | 2011-10-13 | Sunao Iwatsuki | 茸の廃床とセルロース・ヘミセルロース・リグニンの糖化処理剤および糖化方法。 |
| JP5443248B2 (ja) * | 2010-03-24 | 2014-03-19 | 直 岩附 | セルロースおよびリグニンの糖化処理剤。 |
| EP2522690A1 (de) | 2011-03-24 | 2012-11-14 | Annikki GmbH | Verfahren zur Herstellung von Lignin-Derivaten |
| US20140147895A1 (en) * | 2011-07-22 | 2014-05-29 | Novozymes A/S | Processes for Pretreating Cellulosic Material and Improving Hydrolysis Thereof |
| GB2518064A (en) * | 2012-03-22 | 2015-03-11 | Ramaness Parasuraman | Pulp article(s) comprising protease and preparation process thereof |
| CN108755216B (zh) * | 2018-05-07 | 2021-04-13 | 希杰尤特尔(山东)生物科技有限公司 | 利用复合酶提升阔叶浆纤维强度的方法 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4649113A (en) * | 1983-12-28 | 1987-03-10 | The United States Of America As Represented By The Secretary Of Agriculture | Alkaline peroxide treatment of nonwoody lignocellulosics |
| US4851228A (en) * | 1984-06-20 | 1989-07-25 | Merck & Co., Inc. | Multiparticulate controlled porosity osmotic |
| US4968507A (en) * | 1984-06-20 | 1990-11-06 | Merck & Co., Inc. | Controlled porosity osmotic pump |
| US4685918A (en) * | 1985-02-01 | 1987-08-11 | Merck & Co., Inc. | Lipid osmotic pump |
| US4690895A (en) * | 1985-07-15 | 1987-09-01 | Repligen Corporation | Use of rLDM™ 1-6 and other ligninolytic enzymes in the bleaching of kraft pulp |
| GB8613689D0 (en) * | 1986-06-05 | 1986-07-09 | Euro Celtique Sa | Pharmaceutical composition |
| US4869783A (en) * | 1986-07-09 | 1989-09-26 | The Mead Corporation | High-yield chemical pulping |
| US4773966A (en) * | 1986-09-29 | 1988-09-27 | Regents Of The University Of Minnesota | Oxidative degradation of lignin with inorganic metal complexes |
| US4990335A (en) * | 1987-03-25 | 1991-02-05 | E. I. Du Pont De Nemours And Company | Use of vinyl alcohol homopolymer and copolymers for tableting active materials |
| US4830708A (en) * | 1987-11-30 | 1989-05-16 | Pulp And Paper Research Institute Of Canada | Direct biological bleaching of hardwood kraft pulp with the fungus Coriolus versicolor |
| PT94985A (pt) * | 1989-08-14 | 1991-04-18 | Cultor Oy | Processo para o branqueamento enzimatico de polpa |
| EP0487557B1 (de) * | 1989-08-14 | 1996-02-14 | Genencor International Europe Oy | Verbesserung beim bleichen von pulpe |
| DK420289D0 (da) * | 1989-08-25 | 1989-08-25 | Novo Nordisk As | Fremgangsmaade til behandling af lignocellulosepulp |
| NZ235679A (en) * | 1989-10-18 | 1993-01-27 | Int Paper Co | Bleaching lignocellulosic pulp using (a) treatment with xylanase and (b) one or more chemical bleaching stages |
| FI895501A7 (fi) * | 1989-11-17 | 1991-07-08 | Enso Gutzeit Oy | Menetelmä massan valmistamiseksi |
| FI92414B (fi) * | 1989-11-27 | 1994-07-29 | Enso Gutzeit Oy | Menetelmä massan valmistamiseksi |
| FI85389C (fi) * | 1989-12-12 | 1992-04-10 | Enso Gutzeit Oy | Foerfarande foer tillverkning av massa. |
| JPH0819629B2 (ja) * | 1990-01-26 | 1996-02-28 | 淑夫 今井 | 植物の精練方法 |
| JPH042895A (ja) * | 1990-04-19 | 1992-01-07 | Homeosu:Kk | 古紙繊維の結合緩解方法 |
-
1992
- 1992-11-05 CA CA002082185A patent/CA2082185C/en not_active Expired - Fee Related
- 1992-11-25 EP EP92310794A patent/EP0546721B1/de not_active Expired - Lifetime
- 1992-11-25 ES ES92310794T patent/ES2111621T3/es not_active Expired - Lifetime
- 1992-11-25 DE DE69224173T patent/DE69224173T2/de not_active Expired - Fee Related
- 1992-11-25 FI FI925352A patent/FI110698B/fi not_active IP Right Cessation
- 1992-11-25 BR BR9204539A patent/BR9204539A/pt not_active IP Right Cessation
-
1994
- 1994-04-15 US US08/227,899 patent/US5374555A/en not_active Expired - Lifetime
-
2000
- 2000-11-30 AT AT0088000U patent/AT4589U3/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0546721A1 (de) | 1993-06-16 |
| DE69224173T2 (de) | 1998-06-10 |
| AT4589U2 (de) | 2001-09-25 |
| FI925352A0 (fi) | 1992-11-25 |
| US5374555A (en) | 1994-12-20 |
| CA2082185C (en) | 2004-01-20 |
| FI925352L (fi) | 1993-05-27 |
| DE69224173D1 (de) | 1998-02-26 |
| EP0546721B1 (de) | 1998-01-21 |
| AT4589U3 (de) | 2002-04-25 |
| CA2082185A1 (en) | 1993-05-27 |
| BR9204539A (pt) | 1993-06-01 |
| ES2111621T3 (es) | 1998-03-16 |
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| Date | Code | Title | Description |
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| PC | Transfer of assignment of patent |
Owner name: MEADWESTVACO CORPORATION Free format text: MEADWESTVACO CORPORATION |
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| MA | Patent expired |