04613627 is referenced by 148 patents and cites 32 patents.

A wet process for the manufacture of shaped fibrous products such as acoustical ceiling board is disclosed. The ceiling board binder is foamed prior to being combined with the solids. Substantial reductions in water requirements are obtained accompanied by substantial energy savings in the drying operation.

Title
Process for the manufacture of shaped fibrous products and the resultant product
Application Number
449263
Publication Number
4613627
Application Date
October 17, 1983
Publication Date
September 23, 1986
Inventor
Timara Underbakke
Roseville
MN, US
Norman Sherman
Ramsey
MN, US
Agent
Lucas & Just
Assignee
USG Acoustical Products Company
IL, US
IPC
C08J 9/30
B32B 5/02
View Original Source