Akira Kaneko, Yoshinori Kobayashi, Katsuya Hata: Soft nonwoven fabric of filaments. Mitsui Petrochemical, Sherman and Shalloway, April 28, 1992: US05108820 (375 worldwide citation)

Nonwoven fabrics formed, in spun-bonding process, of crimped bi-component composite filaments composed of (A) a first component composed of (a) 3 to 40% by weight of a propylene/ethylene random copolymer having a melting point, determined from DSC main peaks of 110.degree. to 150.degree. C. and a me ...

Junichi Imuta, Takashi Ueda, Yoshihisa Kiso, Akira Mizuno, Masaaki Kawasaki, Mikio Hashimoto: Propylene polymer, propylene copolymer, and propylene elastomer prepared using novel bridged indenyl containing metallocenes. Mitsui Petrochemical, Sherman and Shalloway, April 2, 1996: US05504172 (231 worldwide citation)

The novel transition metal compound of the invention is represented by the following formula (I): ##STR1## wherein M is a transition metal; R.sup.1 and R.sup.2 are each a hydrogen atom, a hydrocarbon group or the like; R.sup.3 is an alkyl group of 2 to 20 carbon atoms; R.sup.4 is an alkyl group of 2 ...

Shigeru Katayama, Kaoru Tominaga, Junichi Yoshitake: Semiconductor device with an airtight space formed internally within a hollow package. Mitsui Petrochemical, August 30, 1994: US05343076 (221 worldwide citation)

This invention relates to a package construction of a semiconductor device, and provides a semiconductor device in which a vapor-impermeable moistureproof plate is embedded in a bottom surface of a hollow package or an inner surface wallthicknesswise therefrom to provide an excellent moisture-proofn ...

Toshiyuki Tsutsui, Ken Yoshitsugu, Akinori Toyota: Ethylene random copolymers. Mitsui Petrochemical, Sherman and Shalloway, June 8, 1993: US05218071 (194 worldwide citation)

In accordance with the present invention, there are provided ethylene copolymers composed of structural units (a) derived from ethylene and structural units (b) derived from .alpha.-olefin of 3.about.20 carbon atoms, said ethylene copolymers having

Yoshinori Morita, Hiroshi Inoue, Kenji Fujiyoshi: Ethylene copolymers. Mitsui Petrochemical, Sherman & Shalloway, May 27, 1980: US04205021 (141 worldwide citation)

A copolymer consisting essentially of ethylene and an .alpha.-olefin with 5 to 18 carbon atoms, said copolymer having


Yuzo Shibata, Seikoh Naganuma: Ethylene/alpha-olefin copolymer composition. Mitsui Petrochemical, Wenderoth Lind & Ponack, January 31, 1984: US04429079 (120 worldwide citation)

This invention relates to a composition comprising a mixture of at least two ethylene-rich ethylene/alpha-olefin copolymers (A) and (B) below which has excellent transparency and impact strength and improved properties, particularly low-temperature heat sealability, heat seal strength and flexural r ...

Kenichi Tominari, Hiroshi Inoue, Masayuki Sakai: Linear ethylene copolymer. Mitsui Petrochemical, Sherman and Shalloway, May 26, 1987: US04668752 (119 worldwide citation)

Ethylene/C.sub.4 -C.sub.20 alpha-olefin copolymers are disclosed which have new characteristics in regard to composition distribution, degree of branching, randomness and crystallinity by DSC melting points. These copolymers have excellent transparency, impact strength, tear strength, blocking resis ...


Akira Matsuda, Shizuo Shimizu, Shunji Abe: Thermoplastic elastomer composition, blends of the composition with olefin plastic, and foamed products of the composition and the blends. Mitsui Petrochemical, July 15, 1980: US04212787 (115 worldwide citation)

Dynamically partially cured composition comprising a peroxide-curable olefin copolymer rubber (such as EDPM) and a peroxide-decomposing olefin plastic (such as PE and PP) is improved by effecting the dynamic heat-treatment with addition of a peroxide-non-curable hydrocarbon rubber (such as PIB) and/ ...