Discoloration prevention of phenolic antioxidants

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

568701, 568702, 568785, 568788, 568790, 568793, 568743, 568744, C07C 3711, C07C 2994, C07C 3906

Patent

active

043169961

ABSTRACT:
Detrimental color change of phenolic antioxidants during production, storage and use in rubbers is inhibited by adding during the synthesis of the phenolic antioxidant a disubstituted hydroxylamine to the catalyst neutralization solution and a substituted oxime together with a disubstituted hydroxylamine to the reaction mixture prior to filtration.

REFERENCES:
patent: 3946086 (1976-03-01), Gershanov
patent: 3989665 (1976-11-01), Hollingshead
patent: 4071565 (1978-01-01), Hollingshead
patent: 4152531 (1979-05-01), Hollingshead

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

Discoloration prevention of phenolic antioxidants does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Discoloration prevention of phenolic antioxidants, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Discoloration prevention of phenolic antioxidants will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1775008

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