US2668153A
|
|
Method of making a sponge material and the product resulting therefrom
|
US2653917A
|
|
Method of making an expanded material and the product resulting therefrom
|
US2659935A
|
|
Method of making compressed sponges
|
CA552129A
|
|
Method of making an abrasive sponge material and the product resulting therefrom
|
CA587902A
|
|
Method of making porous polyvinyl formal
|
CA556138A
|
|
Method of making an expanded material and the product resulting therefrom
|
CA520157A
|
|
Compressed sponges and method of making the same
|
CA547414A
|
|
Sponge compositions containing polyvinyl alcohol, formaldehyde, granular paraformaldehyde and a catalyst
|
CA577309A
|
|
Preparation of sponge from polyvinyl alcohol and formaldehyde
|
CA556139A
|
|
Polyvinyl formal sponge from aqueous polyvinyl alcohol-formaldehyde solution
|