Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Reexamination Certificate
2007-03-13
2007-03-13
Zemel, Irina S. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
C521S134000, C521S142000
Reexamination Certificate
active
10454614
ABSTRACT:
A crosslinked olefin elastomer foam has a specific gravity of 0.05 to 0.2, an expansion ratio of 8 to 15, a compression set of 30 to 60% and a tear strength of 1.5 to 2.5 kg/cm. The crosslinked foam is obtained by heating an elastomer composition comprising a specific ethylene/α-olefin copolymer, an organic peroxide, a crosslinking auxiliary and a foaming agent. The crosslinked foam has a high expansion ratio, is free from surface roughening attributed to defoaming, realizes a soft touch, exhibits a low compression set and is excellent in mechanical strength (particularly tear strength) and heat resistance.
REFERENCES:
patent: 4510303 (1985-04-01), Oda et al.
patent: 5304580 (1994-04-01), Shibayama et al.
patent: 5717000 (1998-02-01), Karande et al.
patent: 5795941 (1998-08-01), Cree et al.
patent: 5883145 (1999-03-01), Hurley et al.
patent: 5911940 (1999-06-01), Walton et al.
patent: 6329465 (2001-12-01), Takahashi et al.
patent: 6720364 (2004-04-01), Sueda et al.
patent: 6841583 (2005-01-01), Sueda et al.
patent: 0 520 773 (1992-12-01), None
patent: 0 598 626 (1994-05-01), None
patent: 0 702 032 (1996-03-01), None
patent: 0 742 257 (1996-11-01), None
patent: 0 775 727 (1997-05-01), None
patent: 02-175227 (1990-06-01), None
patent: 02-175227 (1990-07-01), None
patent: WO 97/11985 (1997-04-01), None
patent: 99/46325 (1999-09-01), None
Choi Kyung-Man
Lee Kwon-Ik
Sueda Takanori
Yasaka Naoto
Yoo Chong-Sun
Buchanan & Ingersoll & Rooney PC
Mitsui Chemicals Inc.
Zemel Irina S.
LandOfFree
Elastomer composition for cross-linked olefin elastomer foam does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Elastomer composition for cross-linked olefin elastomer foam, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Elastomer composition for cross-linked olefin elastomer foam will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3729141