SILICA GELS WITH MOISTURE INDICATOR, A METHOD OF OBTAINING THEM, AND USE OF PHTHALEIN DYES

申请公布号：WO2006130029(A2)

申请号：WO2006PL00039

申请日期：2006.06.01

申请公布日期：2006.12.07

申请人：

POCH S.A.;LANOWY WACLAW;LUKASZCZYK KRYSTIAN;KASPRZYCKI PRZEMYSLAW

发明人：LANOWY WACLAW;LUKASZCZYK KRYSTIAN;KASPRZYCKI PRZEMYSLAW

分类号：C01B33/16;B01D53/26

主分类号：C01B33/16

摘要：The invention concerns the application of phthalein dyes as indicators for colouring silica gels. The achieved silica gels with moisture indicators are excellent drying agents which are not harmful to humans and do not burden the natural environment. They possess very clear and distinct colour transitions of the hydrated and unhydrated forms and have greater sensitivity of colour change in the course of the gel's hydration.

Countergravity casting method and apparatus.

Test clip for SMD circuits.

Device for adjustably mounting rails on a base.

Assembly equipment for a cast-iron door used for a heating apparatus.

Method for the packing and storage of preformed elements and display package for performing the same.

Pharmaceutical composition containing a slightly water-soluble active substance and at least a glyceride gelled by at least a cellulose polymer.

Electrical connector having a fixing member.

Membrane filter material having excellent organic solvent resistance, method for formation of membrane filter and process for preparation of bismaleimide polymer to be used for membrane filter.

Flowmeters.

豆油油脚为主合成的铸造制芯用粘结剂

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一种新型电桥系统

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A method of enhanced solvent Extraction and apparatus therefor.