Method of making polyesters

Details Method of making polyesters Method of making polyesters

2007-11-27

2007-11-27

Boykin, Terressa (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C210S198200, C422S091000, C422S105000, C422S105000, C528S271000

Reexamination Certificate

active

11113343

ABSTRACT:
Thermoplastic polyesters are made by a method in which precondensation is carried in a column whose sections are formed with structured packings and operated at subatmospheric, pressure.

REFERENCES:
patent: 2727882 (1955-12-01), Vodonik
patent: 4973655 (1990-11-01), Piper
patent: 6872797 (2005-03-01), Ueno et al.
patent: 2005/0027053 (2005-02-01), Uchiumi et al.
patent: 0 000 918 (1979-03-01), None
patent: 0 346 735 (1989-12-01), None

Affiliated with

Also associated with

Rating

Method of making polyesters does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3881477