Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Layered – stratified traversely of length – or multiphase...
Reexamination Certificate
2010-03-12
2011-11-01
Gupta, Yogendra (Department: 1744)
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Layered, stratified traversely of length, or multiphase...
Reexamination Certificate
active
08048353
ABSTRACT:
A multilayer polymeric product is described, which consists of a co-extruded internal central layer of polyethylene terephthalate (PET) copolymer, in a quantity ranging from 80 to 90% by weight with respect to the total weight of the internal layer, mixed with polycarbonate (PC), in a quantity ranging from 10 to 20% by weight with respect to the total weight of the layer, and outer, side layers, of a blend of PET, in a quantity ranging from 15 to 25% by weight with respect to the total weight of the outer layers, and PC, in a quantity ranging from 75 to 85% by weight with respect to the total weight of said outer layers, in particular for use as a building material.
REFERENCES:
patent: 4861630 (1989-08-01), Mihalich
patent: 4874647 (1989-10-01), Yatsu et al.
patent: 4877682 (1989-10-01), Sauers et al.
patent: 5780158 (1998-07-01), Asai et al.
patent: 5783307 (1998-07-01), Fagerburg et al.
patent: 6261654 (2001-07-01), Maita et al.
patent: 6896966 (2005-05-01), Crawford et al.
patent: 7014896 (2006-03-01), Miyakawa et al.
patent: 2002/0182352 (2002-12-01), Mitten et al.
patent: 11-077938 (1999-03-01), None
patent: 2000-190439 (2000-07-01), None
patent: 2001-080012 (2001-03-01), None
patent: 2001-162749 (2001-06-01), None
patent: 2003-118059 (2003-04-01), None
Costigan James V.
Gupta Yogendra
Hedman & Costigan ,P.C.
Hindenlang Alison
Politec Polimeri Tecnici S.A.
LandOfFree
Multilayer polymeric product based on polyethylene... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Multilayer polymeric product based on polyethylene..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multilayer polymeric product based on polyethylene... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4266692