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1. (WO2007017553) METHOD TO DECOMPOSE THE NATURAL STRUCTURE OF BIOMASS
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2007/017553 International Application No.: PCT/FI2006/000271
Publication Date: 15.02.2007 International Filing Date: 07.08.2006
Chapter 2 Demand Filed: 31.01.2007
IPC:
D21C 3/20 (2006.01)
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
3
Pulping cellulose-containing materials
20
with organic solvents
Applicants: SEPPÄLÄ, Jukka Veli[FI/FI]; FI (UsOnly)
JVS-POLYMERS OY[FI/FI]; Innopoli B5, Tekniikantie 12 FI-02150 Espoo, FI (AllExceptUS)
Inventors: SEPPÄLÄ, Jukka Veli; FI
Agent: SEPPO LAINE OY; Itämerenkatu 3 B FIN-00180 Helsinki, FI
Priority Data:
2005081110.08.2005FI
Title (EN) METHOD TO DECOMPOSE THE NATURAL STRUCTURE OF BIOMASS
(FR) PROCEDE DE DECOMPOSITION DE LA STRUCTURE NATURELLE D'UNE BIOMASSE
Abstract:
(EN) The invention refers to a method where lactic acid, its water solution, lactide, lactic acid oligomer, polylactic acid or mixture thereof is used for the degradation of cellulose based biomass, such as natural structure of wood, and transformation into plasticized or partly liquefied state so that the cellulose fibers and other components of the biomass can be separated, recovered, modified chemically or recycled by further treatments.
(FR) L’invention concerne un procédé dans lequel de l’acide lactique, une solution aqueuse d’acide lactique, du lactide, un oligomère d’acide lactique, un acide polylactique, ou un mélange de ces composés est utilisé pour dégrader une biomasse à base de cellulose, telle qu'une structure naturelle en bois, et la transformer à l'état plastifié ou en partie liquéfié, de manière à ce que les fibres de cellulose et les autres composants de la biomasse puissent être séparés, récupérés, modifiés chimiquement, ou recyclés par des traitements ultérieurs.
front page image
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)