Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2004-05-27
2010-06-08
Cheung, William K (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C264S140000, C264S232000, C264S237000
Reexamination Certificate
active
07732551
ABSTRACT:
A continuous process for minimizing the agglomeration of freshly manufactured polyolefin pellets comprising the steps of:feeding an aqueous stream containing polyolefin pellets to a tower,cooling said polyolefin pellets during their upward flow along said tower by means of a downward flow of a cooling agent having a density higher than said polyolefin,collecting the cooled pellets from the top of said tower after a residence time in the tower comprised between 2 and 20 minutes.
REFERENCES:
patent: 3544525 (1970-12-01), Balint et al.
patent: 4359544 (1982-11-01), Hwo et al.
patent: 4606873 (1986-08-01), Biglione et al.
patent: 5206292 (1993-04-01), Hwo et al.
patent: 5623012 (1997-04-01), Hwo
patent: 2003/0096699 (2003-05-01), Arletti et al.
patent: 2632563 (1989-12-01), None
patent: 55137928 (1980-10-01), None
patent: 9101207 (1991-02-01), None
patent: 2004000891 (2003-12-01), None
patent: 2004000895 (2003-12-01), None
Ciccarone Carlo
Di Federico Pier Luigi
Michielin Luciano
Penzo Giuseppe
Basell Poliolefine Italia s.r.l.
Cheung William K
Reid William R.
LandOfFree
Post-treatment for polymer pellets does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Post-treatment for polymer pellets, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Post-treatment for polymer pellets will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4175374