公开(公告)号：DE2932322B1

公开(公告)日：1980-09-04

申请号：DE2932322

申请日：1979-08-09

Applicant: DEGUSSA

Inventor： VOIGT CARL DIPL-CHEM DR ,  KLEINSCHMIT PETER DIPL-CHEM DR

IPC: C01C1/02 ,  B01J23/00 ,  C01C1/04

Abstract: Hydrogen cyanide in hydrogen cyanide containing gas is transformed into ammonia by a special iridium catalyst in the presence of at least the equivalent amount of hydrogen for the change.

公开(公告)号：DE3132380C1

公开(公告)日：1983-02-24

申请号：DE3132380

申请日：1981-08-17

Applicant: DEGUSSA

Inventor： STRACK HANS DIPL-CHEM DR ,  KLEINSCHMIT PETER DIPL-CHEM DR

IPC: C10G47/16 ,  B01J20/18 ,  B01J29/00 ,  B01J29/08 ,  C01B33/00 ,  C01B33/20 ,  C01B39/02 ,  C01B39/20 ,  C01B39/24 ,  C01B33/26

公开(公告)号：DE3611273C1

公开(公告)日：1987-06-19

申请号：DE3611273

申请日：1986-04-04

Applicant: DEGUSSA

Inventor： LOTZE MARION DIPL-CHEM DR ,  KLEINSCHMIT PETER DIPL-CHEM DR

IPC: C04B41/90 ,  C03C3/091 ,  C03C8/14 ,  C03C8/20 ,  C03C17/38 ,  C04B41/52 ,  C04B41/89 ,  C03C8/12 ,  C04B41/86

Abstract: In order to produce matee precious metal decorations on carriers of ceramics and porcelain, before applying bright precious metal preparations, the carrier is first provided with a base layer composed of: (a) 50 to 80% by weight of a mixture of (aa) 50 to 80% by weight of a lead-free borosilicate glazed frit with (bb) 20 to 70% by weight of titanium dioxide powder and (b) 20 to 50% by weight of a mixture of (aa) 40 to 60% by weight of a modified alkyd resin having an oil content of 20 to 40% by weight and a solid content of 40 to 60% by weight and (bb) 40 to 60% by weight of an aromatic hydrocarbon.

公开(公告)号：DE3417626C1

公开(公告)日：1985-08-22

申请号：DE3417626

申请日：1984-05-12

Applicant: DEGUSSA

Inventor： KISS AKOS DIPL-CHEM DR ,  KLEINSCHMIT PETER DIPL-CHEM DR ,  VOELKER WERNER DIPL-CHEM DR ,  HALBRITTER GUENTER DIPL-ING

IPC: C09K11/08 ,  C09K11/64 ,  C09K11/67 ,  C09K11/63

公开(公告)号：DE3719051C1

公开(公告)日：1988-11-24

申请号：DE3719051

申请日：1987-06-06

Applicant: DEGUSSA

Inventor： KISS AKOS DIPL-CHEM DR ,  KLEINSCHMIT PETER DIPL-CHEM DR ,  HANICH JUERGEN DIPL-CHEM DR ,  HALBRITTER GUENTER DIPL-ING ,  HORST JENNY

IPC: C09C3/06 ,  C09C1/00 ,  C09C1/40 ,  C09C1/42

Abstract: Encapsulation pigments comprising chromophoric particles embedded in glaze-stable casings are prepared by means of calcination from the appropriate initial products. High yields and strong color intensities are obtained if the chromophoric substance or its initial compounds are bound in and/or to a zeolite and are calcined in this form with the remaining constituents.

公开(公告)号：DE3414847C1

公开(公告)日：1985-09-05

申请号：DE3414847

申请日：1984-04-19

Applicant: DEGUSSA

Inventor： KISS AKOS DIPL-CHEM DR ,  KLEINSCHMIT PETER DIPL-CHEM DR ,  VOELKER WERNER DIPL-CHEM DR ,  HALBRITTER GUENTER DIPL-ING

IPC: C09K11/08 ,  C09K11/67

Abstract: There are described luminescent materials activated with lead upon excitation with long wave and short wave ultraviolet rays emit in the blue-green region, have long afterglow times, can be prepared from components which do not have high purity, are not susceptible to pulverizing, and are stable to the customary ceramic glazes. They consist of (or consist essentially of): 10 to 89.9 mole % zirconium oxide (ZrO2) 5 to 85 mole % boron oxide (B2O3) 5 to 85 mole % silicon dioxide (SiO2) 0.1 to 20 mole % lead oxide (PbO) 0 to 15 mole % sodium oxide (Na2O) 0 to 15 mole % potassium oxide (K2O) and 0 to 5 mole % aluminum oxide (Al2O3).

公开(公告)号：DE2932268B1

公开(公告)日：1980-11-06

申请号：DE2932268

申请日：1979-08-09

Applicant: DEGUSSA

Inventor： VOIGT CARL DIPL-CHEM DR ,  SCHMIDT LOTHAR DIPL-CHEM DR ,  KLEINSCHMIT PETER DIPL-CHEM DR

IPC: G01N31/00 ,  G01N31/10

Abstract: Hydrogen cyanide in hydrogen cyanide containing gas is transformed into ammonia by a special iridium catalyst in the presence of at least the equivalent amount of hydrogen for the change. The ammonia is analyzed to provide a measure of the hydrogen cyanide in the hydrogen cyanide containing gas.