Method and device for producing vacuum in the production of...

Details Method and device for producing vacuum in the production of... Method and device for producing vacuum in the production of...

2011-08-16

2011-08-16

Boykin, Terressa M (Department: 1765)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

C528S196000, C528S198000, C528S271000, C528S272000

Reexamination Certificate

active

07998420

ABSTRACT:
The invention relates to a method and a device for producing vacuum in the production of polyesters and copolyesters; unrectified vapors from at least one esterification or transesterification stage is preferably used as a driving medium in gas jet pumps for producing the vacuum in one or more polycondensation stages.

REFERENCES:
patent: 4758650 (1988-07-01), Schulz Van Endert
patent: 5466776 (1995-11-01), Krautstrunk et al.
patent: 7084234 (2006-08-01), Wilhelm et al.
patent: 7153927 (2006-12-01), Wilhelm et al.
patent: 2005/0222371 (2005-10-01), Wilhelm et al.
patent: 101 27 147 (2002-06-01), None
patent: 0244546 (1987-11-01), None
patent: 0685502 (1995-12-01), None

Affiliated with

Also associated with

Rating

Method and device for producing vacuum in the production of... 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 and device for producing vacuum in the production of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and device for producing vacuum in the production of... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2672173