Purification of polymeric sulphonated phenol-formaldehyde condensation products
A Standard patent application filed on 23 March 1989 credited to Marshall, Luann Rue
Details
Application number :
31782
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Purification of polymeric sulphonated phenol-formaldehyde condensation products
Inventor :
Marshall, Luann Rue
Agent name :
Callinans
Address for service :
PO Box 1189 HARTWELL VIC 3124
Filing date :
23 March 1989
Associated companies :
Applicant name :
E.I. Du Pont De Nemours and Company
Applicant address :
1007 Market Street Wilmington Delaware 19898 United States Of America