N-(2,2-dimethyl-6,6-di(lower alkyl)-4-piperidinyl)-amides of hin

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

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.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

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.

Rate now

     

Profile ID: LFUS-PAI-O-1773990

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.