Uncategorized
Inventor
Method for production of phthalic anhydride by catalytic...
Process for purifying industrial terephthalic acid
Process for the production of phthalic anhydride from...
Process for working up aqueous acetic acid containing bromine
Process for working up methanolic mother liquor from...
No associations
LandOfFree
Helmut Alfs does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Helmut Alfs, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Helmut Alfs will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-195053