Patent CA-3096435-A1 (CA)
Title: Colourant
Inventor: MORGAN KEVIN
IPC: B29B7/24
Filed: 2019-03-06
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 111111110111111111111011111111111111111101110111110111111111111111111111110 11131111 Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2019/197796 Al 17 October 2019 (17.10.2019) WIPO I PCT (51) International Patent Classification: (74) Agent: BAKER, Thomas: Urquhart-Dykes & Lord LLP, B29C 48/00 (2019.01) B29B 7/74 (2006.01) .. Churchill House, 17 Churchill Way, Cardiff South Glamor-B29B 7/24 (2006.01) C08J 3/22 (2006.01) gari CF10 2HH (GB). B29B 7/60 (2006.01) (81) Designated States (unless otherwise indicated for every (21) International Application Number: kind of national protection available): AE, AG, AL, AM, PCT/GB2019/050617 AO, AT, AU, AZ, BA, BB, BG, BII, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR CU, CZ, DE, DJ, DK, DM, DO, (22) International Filing Date: DZ, EC, EE, EG, ES, F1, GB, GD, GE, GH, GM, GT, HN, 06 March 2019 (06.03.2019) IIR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KII, KN, KR (25) Filing Language: English KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, (26) Publication Language: English OM, PA, PE, PG, PII, PL, PT, QA, RO, RS. RU, RW, SA, (30) Priority Data: SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, 1805958.4 11 April 2018 (11.04.2018) GB TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (71) Applicant: COLOUR TONE MASTERBATCH LTD (84) Designated States (unless otherwise indicated, for every [GB/GB]; Pant Glas Farm Industrial Estate, Newport Road, kind of regional protection available): ARIPO (BW, GIL Bcdwas, Cardiff South Glamorgan CF83 8BJ (GB). GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, (72) Inventor: MORGAN, Kevin; c/o Colour Tone Master- TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, batch Ltd, Pant Glas Farm Industrial Estate, Newport Road, EE, ES, FL FR, GB, GR, HR, HU, 1E, IS, IT, LT, LU, LV, Bedwas, Cardiff South Glamorgan CF83 8BJ (GB). MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, = (54) Title: COLOURANT Figure 1 Combine carrier, first and one or more additional 2 __ pigments Apply heat and shear force 4 ____ to mix Extrude mixed colourant 6 __ and pass through a die Cut colourant to size 44 8 __ C.1 IN (57) Abstract: The present invention relates to a colourant for darkening the colour tone of a target polymer or of a colourant for addition 01 to a polymer. The present invention comprises a black colourant being a mixture comprising a carrier material and a first pigment comprising at least black shade manganese oxide and at least one additional pigment. The first pigment and at least one additional pigment are selected such that in combination with the carrier material they produce a substantially black colour tone. This colour tone 0 is then transferred to a target polymer or polymer colourant. C\I [Continued on next page) CA 3096435 2020-10-08 WO 2019/197796 Al 11111 11111111111111111111 1111111111E11 1111111111111111111 11111111 11E1E1111 111111 TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: ¨ with international search report (Art. 21(3)) CA 3096435 2020-10-08