Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1991-06-26
1992-08-04
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C08F 800
Patent
active
051359820
ABSTRACT:
A water soluble packaging film containing a predominant amount of partially acetalized product of polyvinyl alcohol by benzaldehyde derivatives.
Matsumoto Takayuki
Nakamura Hitoshi
Suzuki Tsutomu
Tsukamoto Yoshiyuki
Aicello Chemical Company Limited
Reddick J. M.
Schofer Joseph L.
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