Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
Inventor
active
Aromatic carbonates
Aromatic salicylate process
Bromine-bisphenol reacted bisphenol and novolak epoxy resins wit
Carbonylation of alkanols
Carbonylation process
No associations
LandOfFree
John E. Hallgren does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with John E. Hallgren, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John E. Hallgren will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-264990