PT937754E - Processo para o branqueamento de pigmentos - Google Patents

Processo para o branqueamento de pigmentos

Info

Publication number
PT937754E
PT937754E PT99660032T PT99660032T PT937754E PT 937754 E PT937754 E PT 937754E PT 99660032 T PT99660032 T PT 99660032T PT 99660032 T PT99660032 T PT 99660032T PT 937754 E PT937754 E PT 937754E
Authority
PT
Portugal
Prior art keywords
pigment
bleaching process
pigment bleaching
bleached
bleaching
Prior art date
Application number
PT99660032T
Other languages
English (en)
Inventor
Pentti Hukkanen
Original Assignee
Kemira Oyj
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8550994&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT937754(E) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kemira Oyj filed Critical Kemira Oyj
Publication of PT937754E publication Critical patent/PT937754E/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/02—Compounds of alkaline earth metals or magnesium
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3669—Treatment with low-molecular organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/40—Compounds of aluminium
    • C09C1/42—Clays
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Coloring (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
PT99660032T 1998-02-24 1999-02-19 Processo para o branqueamento de pigmentos PT937754E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI980417A FI103801B (fi) 1998-02-24 1998-02-24 Menetelmä pigmenttien valkaisemiseksi

Publications (1)

Publication Number Publication Date
PT937754E true PT937754E (pt) 2004-09-30

Family

ID=8550994

Family Applications (1)

Application Number Title Priority Date Filing Date
PT99660032T PT937754E (pt) 1998-02-24 1999-02-19 Processo para o branqueamento de pigmentos

Country Status (9)

Country Link
US (1) US6270564B1 (pt)
EP (1) EP0937754B1 (pt)
AT (1) ATE268360T1 (pt)
BR (1) BR9900792A (pt)
DE (1) DE69917692T2 (pt)
ES (1) ES2221341T3 (pt)
FI (1) FI103801B (pt)
PT (1) PT937754E (pt)
UA (1) UA63910C2 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI111459B (fi) 2001-04-04 2003-07-31 Kemira Chemicals Oy Menetelmä stabiilin peretikkahappotuotteen valmistamiseksi
US7776150B2 (en) * 2006-03-16 2010-08-17 Koppern Eqipment, Inc. Process and apparatus for handling synthetic gypsum
FI120819B (fi) * 2008-04-09 2010-03-31 Kemira Oyj Menetelmä kipsin puhdistamiseksi
US10590003B1 (en) 2017-08-24 2020-03-17 Mississippi Lime Company Method of brightening ground calcium carbonate

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB941480A (en) 1959-04-01 1963-11-13 Laporte Chemical Improvements in or relating to the bleaching of textiles
US3589922A (en) 1967-10-31 1971-06-29 Engelhard Min & Chem Methods for bleaching gray kaolin clay
GB1305015A (pt) * 1969-03-26 1973-01-31
JPS5551717A (en) * 1978-10-03 1980-04-15 Nippon Peroxide Co Ltd Clay mineral refining method
GB8711094D0 (en) 1987-05-11 1987-06-17 Ecc Int Ltd Natural calcium carbonate ores
US4935391A (en) 1989-03-31 1990-06-19 Fmc Corporation Process for preparing a purified mineral coating
SE469475B (sv) * 1990-10-29 1993-07-12 Eka Nobel Ab Saett att bleka partiklar innehaallande kalciumkarbonat
US5342443A (en) * 1993-04-06 1994-08-30 Engelhard Corporation Method for bleaching kaolin clay
US5397754A (en) 1993-10-21 1995-03-14 Impex Method of brightening kaolin clay by thermal oxidative decarboxylation of organic contaminants
DE19500195A1 (de) 1995-01-05 1996-07-11 Bayer Ag Verwendung weißgetönter Kunststoffe zum Weißtönen von Papierstreichmassen und derart weißgetönte Papierstreichmassen

Also Published As

Publication number Publication date
FI103801B1 (fi) 1999-09-30
US6270564B1 (en) 2001-08-07
FI103801B (fi) 1999-09-30
FI980417A0 (fi) 1998-02-24
BR9900792A (pt) 1999-11-23
DE69917692D1 (de) 2004-07-08
UA63910C2 (uk) 2004-02-16
EP0937754B1 (en) 2004-06-02
FI980417A (fi) 1999-08-25
ATE268360T1 (de) 2004-06-15
ES2221341T3 (es) 2004-12-16
DE69917692T2 (de) 2004-09-23
EP0937754A1 (en) 1999-08-25

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