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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CD Patents Ltd
Original Assignee
CD Patents Ltd
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
Application filed by CD Patents LtdfiledCriticalCD Patents Ltd
Application grantedgrantedCritical
Publication of FR1076258ApublicationCriticalpatent/FR1076258A/fr
C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
C23G1/36—Regeneration of waste pickling liquors
Landscapes
Chemical & Material Sciences
(AREA)
Chemical Kinetics & Catalysis
(AREA)
General Chemical & Material Sciences
(AREA)
Engineering & Computer Science
(AREA)
Materials Engineering
(AREA)
Mechanical Engineering
(AREA)
Metallurgy
(AREA)
Organic Chemistry
(AREA)
FR1076258D1952-03-251953-02-25Procédé pour la récupération de l'acide sulfurique et des sulfates inorganiques à partir des liqueurs usées diluées
ExpiredFR1076258A
(fr)
Procédé pour la production de masses finement divisées, constituées principalement de silicate de calcium, ou de silicate de calcium et d'acide silicique
Procédé de récupération d'epsilon-caprolactame à partir de lessives résiduaires de la fabrication d'epsilon-caprolactame et installation pour la mise en oeuvre de ce procédé ou procédé similaire