Patent CA-3090711-C (CA)
Title: Meltable lignin compositions, method for producing them and their uses
Inventor: LALEG MAKHLOUF
IPC: D21C11/00
Filed: 2019-02-07
Granted: 2021-05-25
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY  (PCT) (19) World Intellectual Property Organization International Bureau                                (10) International Publication Number (43) International Publication Date                   WO 2019/153085 Al 15 August 2019 (15.08.2019)                     WIPO I PCT (51) International Patent Classification:                                           (81) Designated States (unless otherwise indicated, for every C08J 3/12 (2006.01)                 CO8L 97/00 (2006.01) kind of national protection available): AE, AG, AL, AM, B29B 7/00 (2006.01)                 D21C 11/00 (2006.01) AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, (21) International Application Number: DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ED, EL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, (22) International Filing Date:                                                     KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, 0'7 February 2019 (0'7.02.2019)          MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (25) Filing Language:                     English SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, (26) Publication Language:                English    TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (30) Priority Data:                                                                 (84) Designated States (unless otherwise indicated, for every 62/628,358                                09 February 2018 (09.02.2018) US          kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, (71) Applicant: FPINNOVATIONS [CA/CA]; 5'70, boul. St-UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, Jean, Pointe-Claire, Québec H9R 3J9 (CA).                                           TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, (72) Inventors: LALEG, Makhlouf; 69 Ave. Aurora, Pointe-EE, ES, FI, FR, GB, GR, HR, HU, EE, IS, IT, LT, LU, LV, Claire, Québec H9R 3G3 (CA). JEMAA, Naceur; 52 MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, Somervale Grds, Pointe-Claire, Québec H9R 3H5 (CA).                                 TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, WAFA AL DAJANI, Waleed; 243 Chemin de la Rive    KM, ML, MR, NE, SN, TD, TG). Boisée, #2, Pierrefonds, Québec H8Z 2Y4 (CA). ZHANG, Yaolin; 1016 rue Simone-Albert, Quebec, Québec G1W Published: 0A6 (CA). PALEOLOGOU, Michael; 29'7 Alice Carriere, ¨ with international search report (Art. 21(3)) Beaconsfield, Québec H9W 6E5 (CA). = (74) Agent: NORTON ROSE FULBRIGHT CANADA LLP /  S.E.N.C.R.L., S.R.L.; Suite 2500, 1, Place Ville Marie, Montreal, Québec H3B 1R1 (CA). (54) Title: MELTABLE LIGNIN COMPOSITIONS, METHOD FOR PRODUCING THEM AND THEIR  USES * vjfile .     -* ' -.0!C oc                                              ==i¨ .. 5 kin 1-1 (57) Abstract: Novel meltable lignin compositions having tailored compatibilities, moisture/water-resistant adhesion characteristics, CT and low to medium glass transition temperatures (30 to 120 C) desirable for applications in the manufacturing of various products and the integration in the formulations of adhesives, coatings, plastics, composites and masterbatches, are obtained by blending at low NI temperatures (0-120 C) dry lignins (0 to 10% moisture), in their hydrogen or protonated forms - hereby referred to as H-forms (pH =  C 2.3-6.5 for a 10% aqueous suspension), with a reactive and/or interactive molecule or combination of molecules.