Polypropylene blown film

Details Polypropylene blown film Polypropylene blown film

2007-12-14

2011-12-13

Jagannathan, Vasu (Department: 1764)

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

C526S351000, C526S352000, C428S515000, C428S516000, C428S523000, C264S165000, C264S209300, C264S209400, C264S211130, C264S510000, C264S515000, C264S572000, C528S50200C

Reexamination Certificate

active

08075830

ABSTRACT:
A blown film that comprises polypropylene that has a melt flow rate of 1.8 to 14.0 g/10 min. and a melting point of at least 115° C. The blown film has a haze of less than 10% and a gloss of greater than 70%. The blown film may be co-extruded with a medium density polyethylene or 15 wt % of an impact copolymer. A clarifier may also be incorporated. The blown film that comprises polypropylene is produced on a standard air cooled blown film line.

REFERENCES:
patent: 4115048 (1978-09-01), Alderfer et al.
patent: 4271060 (1981-06-01), Hubby
patent: 4298718 (1981-11-01), Mayr et al.
patent: 4330501 (1982-05-01), Jones et al.
patent: 4532189 (1985-07-01), Mueller
patent: 4543399 (1985-09-01), Jenkins, III et al.
patent: 4544717 (1985-10-01), Mayr et al.
patent: 4588790 (1986-05-01), Jenkins, III et al.
patent: 4767735 (1988-08-01), Ewen et al.
patent: 4820471 (1989-04-01), van der Molen
patent: 5001205 (1991-03-01), Hoel
patent: 5028670 (1991-07-01), Chinh et al.
patent: 5236998 (1993-08-01), Lundeen et al.
patent: 5317036 (1994-05-01), Brady, III et al.
patent: 5352749 (1994-10-01), DeChellis et al.
patent: 5405922 (1995-04-01), DeChellis et al.
patent: 5436304 (1995-07-01), Griffin et al.
patent: 5456471 (1995-10-01), MacDonald
patent: 5462999 (1995-10-01), Griffin et al.
patent: 5472791 (1995-12-01), Landoni
patent: 5525678 (1996-06-01), Mink et al.
patent: 5589555 (1996-12-01), Zboril et al.
patent: 5614297 (1997-03-01), Velazquez
patent: 5616661 (1997-04-01), Eisinger et al.
patent: 5627242 (1997-05-01), Jacobsen et al.
patent: 5643847 (1997-07-01), Walzer, Jr.
patent: 5665818 (1997-09-01), Tilston et al.
patent: 5668228 (1997-09-01), Chinh et al.
patent: 5677375 (1997-10-01), Rifi et al.
patent: 5681523 (1997-10-01), Cobler et al.
patent: 5942256 (1999-08-01), Pottorff
patent: 5945366 (1999-08-01), Kataoka et al.
patent: 6143686 (2000-11-01), Vizzini et al.
patent: 6147173 (2000-11-01), Holtcamp
patent: 6180735 (2001-01-01), Wenzel
patent: 6207606 (2001-03-01), Lue et al.
patent: 6211105 (2001-04-01), Holtcamp
patent: 6228795 (2001-05-01), Vizzini
patent: 6242545 (2001-06-01), Jejelowo et al.
patent: 6245705 (2001-06-01), Kissin
patent: 6245857 (2001-06-01), Shamshoum et al.
patent: 6245868 (2001-06-01), Agapiou et al.
patent: 6248845 (2001-06-01), Loveday et al.
patent: 6271323 (2001-08-01), Loveday et al.
patent: 6274684 (2001-08-01), Loveday et al.
patent: 6300436 (2001-10-01), Agapiou et al.
patent: 6339134 (2002-01-01), Crowther et al.
patent: 6340730 (2002-01-01), Murray et al.
patent: 6346586 (2002-02-01), Agapiou et al.
patent: 6359072 (2002-03-01), Whaley
patent: 6380328 (2002-04-01), McConville et al.
patent: 8399837 (2002-06-01), Wilson at al.
patent: 6420580 (2002-07-01), Holtcamp et al.
patent: 6495266 (2002-12-01), Migliorini
patent: 7217767 (2007-05-01), Aguirre et al.
patent: 2001/0039314 (2001-11-01), Mehta et al.
patent: 2002/0006482 (2002-01-01), Falla et al.
patent: 2002/0156193 (2002-10-01), Tau et al.
patent: 2004/0082750 (2004-04-01), Tau et al.
patent: 2006/0004167 (2006-01-01), Tau et al.
patent: 2006/0147663 (2006-07-01), Barre et al.
patent: 2006/0199884 (2006-09-01), Hoenig et al.
patent: WO 9841571 (1998-09-01), None
patent: WO 2005035598 (2005-04-01), None
Ciba, Inc., PP Bottles & Containers, Nov. 18, 2004.

Affiliated with

Also associated with

Rating

Polypropylene blown film does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4256301