Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2009-04-14
2011-11-01
Lipman, Bernard (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S163000, C525S166000, C525S191000, C525S176000, C525S417000, C525S419000
Reexamination Certificate
active
08048959
ABSTRACT:
Disclosed are poly(hydroxyalkanoic acid) compositions comprising a poly(hydroxyalkanoic acid) polymer, such as poly(lactic acid), and an impact modifier comprising a copolymer of ethylene and one or more alkyl acrylates of the formula CH2═C(R1)CO2R2, where R1is hydrogen or an alkyl group with 1-8 carbon atoms and R2is an alkyl group with 1-8 carbon atoms, such as methyl, ethyl, or butyl.
REFERENCES:
patent: 3264272 (1966-08-01), Rees
patent: 4044086 (1977-08-01), McChesney
patent: 4187358 (1980-02-01), Kyo
patent: 4713268 (1987-12-01), Carson
patent: 4753980 (1988-06-01), Deyrup
patent: 4912167 (1990-03-01), Deyrup
patent: 5322663 (1994-06-01), Lai et al.
patent: 5443780 (1995-08-01), Matsumoto
patent: 5883199 (1999-03-01), McCarthy
patent: 6020414 (2000-02-01), Nelsen
patent: 6114495 (2000-09-01), Kolstad
patent: 6323308 (2001-11-01), Kobayashi
patent: 6417298 (2002-07-01), Ford
patent: 6713175 (2004-03-01), Terada
patent: 6756331 (2004-06-01), Kitahara
patent: 6943214 (2005-09-01), Flexman
patent: 6960374 (2005-11-01), Terada et al.
patent: 6986864 (2006-01-01), Porter
patent: 7078368 (2006-07-01), Laney
patent: 7175917 (2007-02-01), Sukigara
patent: 7354973 (2008-04-01), Flexman
patent: 7381772 (2008-06-01), Flexman
patent: 2004/0242803 (2004-12-01), Ohme
patent: 2005/0131120 (2005-06-01), Flexman
patent: 2005/0151296 (2005-07-01), Obuchi et al.
patent: 2006/0009556 (2006-01-01), Lu
patent: 2006/0173133 (2006-08-01), Flexman
patent: 2007/0213466 (2007-09-01), Uradnisheck
patent: 2007/0255013 (2007-11-01), Becraft
patent: 9316310 (1997-12-01), None
patent: 03014224 (2003-02-01), None
patent: 03082980 (2003-10-01), None
patent: 2004101642 (2004-11-01), None
patent: 2005059031 (2005-06-01), None
patent: 2006017050 (2006-02-01), None
patent: 2006084259 (2006-08-01), None
patent: 2007127303 (2007-11-01), None
patent: 2008/013699 (2008-01-01), None
E.I. du Pont de Nemours and Company
Lipman Bernard
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