Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-07-06
1995-06-20
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524413, 524431, 524495, 524496, C08K 500
Patent
active
054261414
ABSTRACT:
A resin composition containing a light-shielding material and vitamin E and packaging materials formed thereof. The light-shielding ability is increased by blending vitamin E. Laminated films where at least one thermoplastic resin film is interposed between two high Young's modulus films. The laminated films are excellent in tear strength, tensile strength, heat seal strength and bursting strength, and always secure light-shielding, moistureproofness and gas barrier. They can be used as a single-sheet bag for packaging a heavy product having sharp edges.
REFERENCES:
patent: 4211852 (1980-07-01), Matsuta et al.
patent: 4780357 (1988-10-01), Akao
patent: 4796823 (1989-01-01), Akao
patent: 4820757 (1989-04-01), Spang et al.
Patent Abstracts of Japan, unexamined applications, C section, vol. 5, No. 79, May 23, 1981; The Patent Office Japanese Government, p. 112 C 56; Kokai No. 56 28228 (Adeka Argus Kagaku K. K.).
Cain Edward
Fuji Photo Film Co. , Ltd.
Michl Paul R.
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