Process for reducing caprolactam and its oligomers in...

Details Process for reducing caprolactam and its oligomers in... Process for reducing caprolactam and its oligomers in...

2005-04-05

2005-04-05

Hightower, P. Hampton (Department: 1711)

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

Synthetic resins

From carboxylic acid or derivative thereof

C528S312000, C528S322000, C528S323000, C528S326000, C528S480000, C528S499000, C528S50200C

Reexamination Certificate

active

06875838

ABSTRACT:
Disclosed is a process for reducing low molecular weight impurities, namely caprolactam and its oligomers, from Nylon-6 pre-polymer during the preparation of Nylon-6 polymer.

REFERENCES:
patent: 2245129 (1941-06-01), Greenewalt
patent: 5543495 (1996-08-01), Anolick et al.
patent: 6069228 (2000-05-01), Alsop et al.
patent: 6201096 (2001-03-01), Marchildon et al.
patent: 6358373 (2002-03-01), Leemann et al.
patent: 6362307 (2002-03-01), Mohrschladt et al.
patent: 6437089 (2002-08-01), Cohen et al.
patent: 6525167 (2003-02-01), Mohrschladt et al.
patent: WO 0174925 (2001-10-01), None

Affiliated with

Also associated with

Rating

Process for reducing caprolactam and its oligomers in... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for reducing caprolactam and its oligomers in..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for reducing caprolactam and its oligomers in... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3399378