Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1995-03-07
1996-08-20
Wu, David W.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524127, 524128, 524287, 524379, 526351, C08K 534
Patent
active
055480071
ABSTRACT:
A radiation-resistant polypropylene resin composition is disclosed which comprises a polypropylene having a substantially syndiotactic structure, and if desired, a phosphorus-containing anti-oxidant, an amine-containing anti-oxidant and/or a nucleating agent. Molded articles obtained from this resin composition can be utilized as containers for foods and medicines, and their physical properties scarcely deteriorate during sterilization by radiation.
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patent: 4892851 (1990-01-01), Ewen et al.
patent: 5023286 (1991-06-01), Abe et al.
Asanuma Tadashi
Kimura Shigeru
Shiomura Tetsunosuke
Uchikawa Nobutaka
Mitsui Toatsu Chemicals Inc.
Wu David W.
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