DE247357A - - Google Patents

Info

Publication number

DE247357A

DE247357A DE247357A DE 247357 A DE247357 A DE 247357A DE 247357 A DE247357 A DE 247357A

Authority

DE

Germany

Prior art keywords

cleaning

discoloration

pretreated

paraffin

modification

Prior art date

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.)

Pending

Links

• Espacenet
• Global Dossier
• DPMA
• Discuss

• 238000004140 cleaning Methods 0.000 claims 2
• GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 1
• 238000002845 discoloration Methods 0.000 claims 1
• 238000000034 method Methods 0.000 claims 1
• 230000004048 modification Effects 0.000 claims 1
• 238000012986 modification Methods 0.000 claims 1
• 239000012170 montan wax Substances 0.000 claims 1
• 229910017604 nitric acid Inorganic materials 0.000 claims 1
• 239000012188 paraffin wax Substances 0.000 claims 1