Uncategorized
Inventor
Pigmentary substances of the azo type
Red azo pigments of improved transparency
LandOfFree
Oswald E. Knapp does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Oswald E. Knapp, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Oswald E. Knapp will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-215936