Patents
Patent data provided by The
European Patent Office
and updated through early 2009. Full text patent data loaded weekly coming soon.
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US2918457 (A), filed
(unknown)
, published
(unknown)
- SUN OIL CO
US2005137368 (A1), filed
Dec 17, 2003
, published
Jun 23, 2005
Disclosed herein is a copolymer comprising the polymerization product of propylene and a branched olefin, the copolymer comprising about 80 to about 99.9 wt % propylene; about 0.1 to about 20 wt % branched olefin; and the copolymer having a weight average...
US2008153933 (A1), filed
Dec 21, 2005
, published
Jun 26, 2008
- KANEGAFUCHI CHEMICAL IND
An object of the present invention is to provide an in-mold foamed article having good surface appearances and high rigidity produced by using a common molding machine that withstands a pressure of up to 0.4 MPa. The present invention provides polypropylene...
US2004092677 (A1), filed
Nov 04, 2003
, published
May 13, 2004
- PROCTER GAMBLE
The present invention relates to synthetic material comprising a network polymer. The material has a set of less than 0.1% after having been stretched to 300% of its original length for 10 minutes.
US3351621 (A), filed
(unknown)
, published
(unknown)
- CHEVRON RES
US4859757 (A), filed
Apr 21, 1988
, published
Aug 22, 1989
- REXENE PROD CO
Novel, substantially amorphous copolymers of propylene and ethylene are disclosed. The polymers have properties which make them applicable for use, e.g., as hot melt adhesives and as blending components in roofing materials.
US2004152851 (A1), filed
Jan 13, 2004
, published
Aug 05, 2004
This invention relates to a process to polymerize olefins comprising: contacting: (i) propylene and (ii) a mixture comprising, optionally ethylene, and three or more different alpha olefins having 4 to 20 carbon atoms, wherein at least one alpha olefin is...
US4259470 (A), filed
Aug 30, 1979
, published
Mar 31, 1981
- EASTMAN KODAK CO
This invention relates to propylene/1-butene or 1-pentene/higher 1-olefin copolymers which provide useful pressure-sensitive hot-melt adhesives. The copolymers contain 5 to 39 mole % of one or more higher 1-olefins of the group 1-hexene, 1-heptene, 1-octene,...
US4404342 (A), filed
Aug 31, 1981
, published
Sep 13, 1983
- NIPPON OIL CO LTD
According to this invention, there is provided a process for preparing a low-crystalline soft or semi-hard copolymer, characterized in that 90 to 98 mole % of propylene, 0.2 to 9 mole % of ethylene and 0.2 to 9 mole % of a straight-chained ( alpha -olefin...
US5206324 (A), filed
Oct 03, 1990
, published
Apr 27, 1993
- MITSUI TOATSU CHEMICALS
US6143857 (A), filed
Mar 23, 1999
, published
Nov 07, 2000
- CRYOVAC INC
Substantially linear vinylene carbonate/1-olefin copolymers, a process of forming the same, and packaging materials incorporating the same are described. These copolymers are formed by reacting the component monomers in the presence of a single component,...
US7053163 (B1), filed
Feb 22, 2005
, published
May 30, 2006
- FINA TECHNOLOGY
The tendency of copolymer fluff grains of propylene and ethylene to agglomerate is reduced by injecting at least one olefin comonomer, such as ethylene monomer, into more than one point along the length of the reactor, rather than injecting all of the ethylene...
US7456244 (B2), filed
May 23, 2006
, published
Nov 25, 2008
- DOW GLOBAL TECHNOLOGIES
The instant invention is a high-density polyethylene composition, and method of making the same. The high-density polyethylene composition of the instant invention includes an ethylene alpha-olefin copolymer having a density in the range of 0.935 to 0.952...
US2003125495 (A1), filed
Nov 14, 2002
, published
Jul 03, 2003
- BP CHEM INT LTD
Atactic copolymers derived from an alpha-olefin, optionally ethylene and a non-conjugated diene are provided. The units derived from the diene provide pendant groups having internal or terminal double bonds. Suitable dienes for preparing such copolymers...
US3336277 (A), filed
(unknown)
, published
(unknown)
- TOYO RAYON CO LTD
