Method for cleaning molding machine in which residual thermoplas

Details Method for cleaning molding machine in which residual thermoplas Method for cleaning molding machine in which residual thermoplas

1994-03-02

1995-03-14

Lieberman, Paul

Compositions

Water-softening or purifying or scale-inhibiting agents

25217421, 252531, 252550, 252DIGC, 252DIG14, 134 7, 134 8, 134 2219, C11D 112, C11D 3075, C11D 300

Patent

active

053974980

ABSTRACT:
A method for cleaning the interior of a molding machine having a residual thermoplastic resin after molding comprises the step of cleaning the interior of a molding machine with a cleaning composition which comprises:

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patent: 4838945 (1989-06-01), Fuji et al.
patent: 4838948 (1989-06-01), Bailey
patent: 4976788 (1990-12-01), Nohr et al.
patent: 5108645 (1992-04-01), Obama
WPIL, Week 31, AN 90-23578 & JP-A-163 144 (Mitsui Toatsu) 22 Jun. 1990.
WPIL, Week 22, AN 90-169291 & JP-A-2 112 178 (Sumitomo Denso) 24 Apr. 1990.
Patent Abs. of Japan, vol. 013, No. 156 & JP-A-63 312 347 (Toray) 20 Dec. 1988.
Patent Abs. of Japan, vol. 015, No. 238 & JP-A-03 074 499 (Tokyo Ink) 29 Mar. 91.

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