Legal status (The legal status 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 status listed.)
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GTE Sylvania Inc
Original Assignee
Sylvania Electric Products Inc
Publication date
Publication of DE1302400BpublicationCriticalpatent/DE1302400B/de
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
C09K11/00—Luminescent materials, e.g. electroluminescent or chemiluminescent
C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
C09K11/74—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing arsenic, antimony or bismuth
C09K11/75—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing arsenic, antimony or bismuth containing antimony
C09K11/76—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing arsenic, antimony or bismuth containing antimony also containing phosphorus and halogen, e.g. halophosphates
Verfahren und vorrichtung zur erzeugung einer schwaerzenden bzw. blaeuenden oxidschicht auf der oberflaeche von pulvermetallurgisch hergestellten eisenenthaltenden teilen