Stock material or miscellaneous articles – Structurally defined web or sheet – Physical dimension specified
Reexamination Certificate
2007-11-20
2007-11-20
Woodward, Ana (Department: 1711)
Stock material or miscellaneous articles
Structurally defined web or sheet
Physical dimension specified
C428S069000, C428S072000, C428S098000, C428S105000, C428S113000, C428S131000, C428S219000, C420S536000, C420S536000, C420S536000, C420S536000, C420S536000
Reexamination Certificate
active
10087718
ABSTRACT:
Biodegradable polymer blends suitable for laminate coatings, wraps and other packaging materials are manufactured from at least one “hard” biopolymer and at least one “soft” biopolymer. “Hard” biopolymers tend to be more brittle and rigid and typically have a glass transition temperature greater than about 10° C. “Soft” biopolymers tend to be more flexible and pliable and typically have a glass transition temperature less than about 0° C. While hard and soft polymers each possess certain intrinsic benefits, certain blends of hard and soft polymers have been discovered which possess synergistic properties superior to those of either hard or soft polymers by themselves. Biodegradable polymers include polyesters, polyesteramides, polyesterurethanes, thermoplastic starch, and other natural polymers. The polymer blends may optionally include an inorganic filler. Films and sheets made from the polymer blends may be textured so as to increase the bulk hand feel. Wraps will typically be manufactured to have good “dead-fold” properties so as to remain in a wrapped position and not spring back to an “unwrapped” form.
REFERENCES:
patent: 4318950 (1982-03-01), Takashi et al.
patent: 4364985 (1982-12-01), Tokuyama et al.
patent: 4536531 (1985-08-01), Ogawa et al.
patent: 5053482 (1991-10-01), Tietz
patent: 5080665 (1992-01-01), Jarrett et al.
patent: 5097004 (1992-03-01), Gallagher et al.
patent: 5097005 (1992-03-01), Tietz
patent: 5124371 (1992-06-01), Tokiwa et al.
patent: 5171308 (1992-12-01), Gallagher et al.
patent: 5200247 (1993-04-01), Wu et al.
patent: 5219646 (1993-06-01), Gallagher et al.
patent: 5234977 (1993-08-01), Bastioli et al.
patent: 5236762 (1993-08-01), Suzuki et al.
patent: 5252642 (1993-10-01), Sinclair et al.
patent: 5254607 (1993-10-01), McBride et al.
patent: 5258430 (1993-11-01), Bastioli et al.
patent: 5262458 (1993-11-01), Bastioli et al.
patent: 5280055 (1994-01-01), Tomka
patent: 5286770 (1994-02-01), Bastioli et al.
patent: 5288765 (1994-02-01), Bastioli et al.
patent: 5292782 (1994-03-01), Bastioli et al.
patent: 5292783 (1994-03-01), Buchanan et al.
patent: 5295985 (1994-03-01), Romesser et al.
patent: 5296229 (1994-03-01), Grandjean
patent: 5314934 (1994-05-01), Tomka
patent: 5354616 (1994-10-01), Fish, Jr. et al.
patent: 5360830 (1994-11-01), Bastioli et al.
patent: 5362777 (1994-11-01), Tomka
patent: 5374259 (1994-12-01), Takahashi et al.
patent: 5407979 (1995-04-01), Wu et al.
patent: 5412005 (1995-05-01), Bastioli et al.
patent: 5415827 (1995-05-01), Tomka et al.
patent: 5422387 (1995-06-01), Toms et al.
patent: 5444107 (1995-08-01), Ajioka et al.
patent: 5446079 (1995-08-01), Buchanan et al.
patent: 5462980 (1995-10-01), Bastioli et al.
patent: 5462982 (1995-10-01), Bastioli et al.
patent: 5512378 (1996-04-01), Bastioli et al.
patent: 5525281 (1996-06-01), Lörcks et al.
patent: 5534150 (1996-07-01), Bastioli et al.
patent: 5550173 (1996-08-01), Hammond et al.
patent: 5559171 (1996-09-01), Buchanan et al.
patent: 5569692 (1996-10-01), Bastioli et al.
patent: 5580911 (1996-12-01), Buchanan et al.
patent: 5589518 (1996-12-01), Bastioli et al.
patent: 5599858 (1997-02-01), Buchanan et al.
patent: 5663216 (1997-09-01), Tomka
patent: 5700344 (1997-12-01), Edgington et al.
patent: 5700901 (1997-12-01), Hurst et al.
patent: 5705536 (1998-01-01), Tomka
patent: 5726220 (1998-03-01), Tokushige et al.
patent: 5760144 (1998-06-01), Ozeki et al.
patent: 5766748 (1998-06-01), Ikado et al.
patent: 5770137 (1998-06-01), Lörcks et al.
patent: 5783271 (1998-07-01), Nishida et al.
patent: 5786408 (1998-07-01), Kuroda et al.
patent: 5817721 (1998-10-01), Warzelhan et al.
patent: 5821286 (1998-10-01), Xu et al.
patent: 5844023 (1998-12-01), Tomka
patent: 5866634 (1999-02-01), Tokushige et al.
patent: 5883199 (1999-03-01), McCarthy et al.
patent: 5897944 (1999-04-01), Loercks et al.
patent: 5900322 (1999-05-01), Buchanan et al.
patent: 5910350 (1999-06-01), Loracks et al.
patent: 5910545 (1999-06-01), Tsai et al.
patent: 5916950 (1999-06-01), Obuchi et al.
patent: 6054218 (2000-04-01), Nucci et al.
patent: 6062228 (2000-05-01), Loercks et al.
patent: 6096809 (2000-08-01), Lorcks et al.
patent: 6117925 (2000-09-01), Tomka
patent: 6130271 (2000-10-01), Jarrett et al.
patent: 6136097 (2000-10-01), Lörcks et al.
patent: 6146750 (2000-11-01), Kotani et al.
patent: 6150490 (2000-11-01), Deckwer et al.
patent: 6168857 (2001-01-01), Andersen et al.
patent: 6201034 (2001-03-01), Warzelhan et al.
patent: 6214907 (2001-04-01), Tomka
patent: 6218321 (2001-04-01), Lorcks et al.
patent: 6231970 (2001-05-01), Andersen et al.
patent: 6235815 (2001-05-01), Loercks et al.
patent: 6235816 (2001-05-01), Lorcks et al.
patent: 6235825 (2001-05-01), Yoshida et al.
patent: 6242102 (2001-06-01), Tomka et al.
patent: 6261674 (2001-07-01), Branham et al.
patent: 6265067 (2001-07-01), Nucci et al.
patent: 6326440 (2001-12-01), Terada et al.
patent: 6350530 (2002-02-01), Morikawa et al.
patent: 6472497 (2002-10-01), Loercks et al.
patent: 6479164 (2002-11-01), Lörcks et al.
patent: 6838403 (2005-01-01), Tsai et al.
patent: 2002/0098341 (2002-07-01), Schiffer et al.
patent: 0 400 532 (1990-12-01), None
patent: 0 525 245 (1993-02-01), None
patent: 0 539 541 (1993-05-01), None
patent: 0 980 894 (2000-02-01), None
patent: 1 008 629 (2000-06-01), None
patent: 1 090 747 (2001-04-01), None
patent: 8 193 165 (1996-07-01), None
patent: 9 235 456 (1997-09-01), None
patent: 11 500 468 (1999-01-01), None
patent: 11 116 788 (1999-04-01), None
patent: 11 241 008 (1999-09-01), None
patent: 00 143 781 (2000-05-01), None
patent: 02 532 603 (2002-10-01), None
patent: WO 90/05161 (1990-05-01), None
patent: WO 92/09654 (1992-06-01), None
patent: WO 96/15173 (1996-05-01), None
patent: WO 96/15174 (1996-05-01), None
patent: WO 00/36014 (2000-06-01), None
patent: WO 02/14430 (2002-02-01), None
patent: WO 02/42365 (2002-05-01), None
U.S. Appl. No. 09/210,539, filed Dec. 14, 1998, Ishibashi et al.
U.S. Appl. No. 09/820,916, filed Mar. 30, 2001, Holy.
Hodson Simon K.
Khemani Kishan
Schmidt Harald
bio-tec Biologische Naturverpackungen GmbH & Co. KG
Woodward Ana
Workman Nydegger
LandOfFree
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