Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1989-05-16
1991-06-11
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
560 4, 25240053, 252401, C07C 57075
Patent
active
050233726
ABSTRACT:
Methods and compositions are provided for inhibiting the polymerization of acrylic acid monomers during elevated temperature processing thereof or during storage or shipment of acrylic acid product. The compositions comprise a combination of a Mn source compound and a phenylenediamine compound having at least 1 N-H bond. The methods comprise adding from about 1-10,000 ppm of the combination to the particular acrylic acid containing medium for which such anti-polymerization protection is desired, per million parts of the acrylic acid medium.
REFERENCES:
patent: 3893895 (1975-07-01), Dehnert et al.
patent: 4507495 (1985-03-01), Dougherty et al.
patent: 4638079 (1987-01-01), Inskip et al.
patent: 4663480 (1987-05-01), Inskip et al.
patent: 4720566 (1988-01-01), Martin
patent: 4797504 (1989-01-01), Roling
patent: 4912247 (1990-03-01), Roling
Betz Laboratories Inc.
Dees Jos,e G.
Peacock Bruce E.
Ricci Alexander D.
LandOfFree
Methods and compositions for inhibiting (meth)acrylic acid polym does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Methods and compositions for inhibiting (meth)acrylic acid polym, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods and compositions for inhibiting (meth)acrylic acid polym will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-783746