Improved manufacture of transparent phenol-formaldehyde condensation products
GB347228A
Improved manufacture of condensation products
GB339601A
Improved manufacture of condensation products of formaldehyde and urea
GB312905A
Improved manufacture of phenol formaldehyde condensation products
GB309487A
Process for the manufacture of synthetic resin products
GB301798A
Process for the manufacture of aldehyde condensation products
GB288228A
Process for the production of condensation products from phenols and aldehydes
GB290963A
Improved process for the manufacture of phenol formaldehyde condensation products
GB291366A
Process for the production of artificial compositions
GB267901A
Improved manufacture of phenol-formaldehyde condensation products
GB271037A
Process for the manufacture of a powder which can be pressed by the condensation of uea or its derivatives and formaldehyde and for the working up of this powder into artificial compositions
CA284790A
Resin production
CA292991A
Manufacture of compositions capable of being pressed
CA308395A
Manufacture of phenol formaldehyde condensation products
