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1. (WO2010079098) PREPARATION OF A PHOTOCHROMIC INK
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2010/079098 International Application No.: PCT/EP2009/067825
Publication Date: 15.07.2010 International Filing Date: 23.12.2009
IPC:
C09D 11/00 (2006.01) ,C07D 491/107 (2006.01) ,C09K 9/02 (2006.01)
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
D
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11
Inks
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
D
HETEROCYCLIC COMPOUNDS
491
Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/-C07D459/290
02
in which the condensed system contains two hetero rings
10
Spiro-condensed systems
107
with only one oxygen atom as ring hetero atom in the oxygen-containing ring
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
K
MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
9
Tenebrescent materials, i.e. materials for which the range of wavelengths for energy adsorption is changed as a result of excitation by some form of energy
02
Organic tenebrescent materials
Applicants:
BASF SE [DE/DE]; 67056 Ludwigshafen, DE (AllExceptUS)
MAURER, Marc [FR/FR]; FR (UsOnly)
HÜGIN, Max [CH/CH]; CH (UsOnly)
RAIMANN, Thomas [CH/CH]; CH (UsOnly)
FEILER, Leonhard [DE/DE]; DE (UsOnly)
INDERBITZIN, Bruno [FR/FR]; FR (UsOnly)
FUCHS, André [DE/DE]; DE (UsOnly)
Inventors:
MAURER, Marc; FR
HÜGIN, Max; CH
RAIMANN, Thomas; CH
FEILER, Leonhard; DE
INDERBITZIN, Bruno; FR
FUCHS, André; DE
Common
Representative:
BASF SE; IP Department, P.O. Box CH-4002 Basel, CH
Priority Data:
09150214.608.01.2009EP
Title (EN) PREPARATION OF A PHOTOCHROMIC INK
(FR) PRÉPARATION D'UNE ENCRE PHOTOCHROME
Abstract:
(EN) The present invention relates to a photochromic ink, the process for its preparation which is based on a spiropyran powder obtainable by melting, cooling and crushing, and to a new form of a spiropyran obtainable thereby. Said process to prepare a photochromic ink comprises the steps of a) heating and melting the spiropyran at a temperature below 250 C, b) cooling the melt to obtain a solidified spiropyran, c) crushing the solidified spiropyran to obtain a powder, d) optionally adding the powder to a binder providing the basis for the photochromic ink.
(FR) La présente invention porte sur une encre photochrome, sur son procédé de préparation qui est fondé sur une poudre de spiropyrane pouvant être obtenue par fusion, refroidissement et broyage, et sur une nouvelle forme d'un spiropyrane pouvant être obtenue de cette manière. Ledit procédé pour préparer une encre photochrome comprend les étapes consistant à a) chauffer et faire fondre le spiropyrane à une température au-dessous de 250°C, b) refroidir la masse fondue pour obtenir un spiropyrane solidifié, c) broyer le spiropyrane solidifié pour obtenir une poudre, d) éventuellement ajouter la poudre à un liant ce qui fournit la base pour l'encre photochrome.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, 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 Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, 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)
Also published as:
IL213815MXMX/a/2011/007275EP2385972JP2012514671US20110297898CN102272250
KR1020110106434BRPI0923937AU2009336680IN5610/CHENP/2011