Reductive method for preparation of macrocyclic oligomer mixture

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

528 15, 528 19, 528 21, 528315, 528319, 528321, C08G 7310

Patent

active

055300901

ABSTRACT:
Macrocyclic oligomer mixtures, particularly polyimide oligomer mixtures, are prepared by the treatment of a dihalo-substituted organic compound or the like under reducing conditions, preferably by a complex of a zerovalent Group VIII metal. Cyclization takes place by reductive dehalogenation.

REFERENCES:
patent: 3890272 (1975-06-01), D'Alelio
patent: 5357029 (1994-10-01), Takekoshi et al.
patent: 5399715 (1995-03-01), Naitoh et al.
Colquhoun et al., J. Chem. Soc., Chem Commun. The month of publication is not available. 1990, 336-339.

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

Reductive method for preparation of macrocyclic oligomer mixture does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Reductive method for preparation of macrocyclic oligomer mixture, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reductive method for preparation of macrocyclic oligomer mixture will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2189791

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