HUT59966A - Poison-free blue chromating process
- Google Patents
Poison-free blue chromating process
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Publication number
HUT59966A
HUT59966AHU630490AHU630490AHUT59966AHU T59966 AHUT59966 AHU T59966AHU 630490 AHU630490 AHU 630490AHU 630490 AHU630490 AHU 630490AHU T59966 AHUT59966 AHU T59966A
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Application filed by Bela Hamarics, Istvanne GyoerifiledCriticalBela Hamarics
Priority to HU630490ApriorityCriticalpatent/HUT59966A/hu
Publication of HU906304D0publicationCriticalpatent/HU906304D0/hu
Publication of HUT59966ApublicationCriticalpatent/HUT59966A/hu
Process for producing n-beta-hydroxyalkyl-tri-n-carboxyalkyl-1,4,7,10-tetraazacyclododecane and n-beta-hydroxyalkyl-tri-n-carboxyalkyl-1,4,8,11-tetraazacyclote-tradecane derivatives and their metal complexes