Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1974-12-30
1977-10-04
Czaja, Donald E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
26029377, C08K 534
Patent
active
040523616
ABSTRACT:
Compounds of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each branch-chain alkyl of 3 to 8 carbon atoms and R.sub.3 and R.sub.4 are each alkyl of 1 to 4 carbon atoms are useful as light stabilizers in polyolefins. They may be prepared by reacting 3,5-dialkyl-4-hydroxybenzoic acid with 4-amino-2,2-dimethyl-6,6-di(lower alkyl)piperidine in the presence of a carbodiimide as dehydrating agent.
REFERENCES:
patent: 2748134 (1956-05-01), Stoll et al.
patent: 3206431 (1965-09-01), Doyle et al.
patent: 3330859 (1967-07-01), Dexter et al.
patent: 3342826 (1967-09-01), Miller et al.
patent: 3684765 (1972-08-01), Matsui et al.
patent: 3705166 (1972-12-01), Murayama et al.
patent: 3745163 (1973-07-01), Holt et al.
patent: 3993655 (1976-11-01), Rasberger et al.
Oppelt John Christian
Susi Peter Vincent
American Cyanamid Company
Czaja Donald E.
Mintz Philip
White R. A.
LandOfFree
N-(2,2-dimethyl-6,6-di(lower alkyl)-4-piperidinyl)-amides of hin does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with N-(2,2-dimethyl-6,6-di(lower alkyl)-4-piperidinyl)-amides of hin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and N-(2,2-dimethyl-6,6-di(lower alkyl)-4-piperidinyl)-amides of hin will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1773990