Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1995-03-21
1996-07-30
Weber, Thomas R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525149, 5253337, 525384, C08F 800
Patent
active
055412572
ABSTRACT:
A method of enhancing the drainage of residual aqueous rinse from the external surfaces of plastic parts is disclosed. The method employs an aqueous solution of a tannin compound, which when applied to the surface of plastic parts will not rinse off during subsequent rinse stages and will remain on the plastic parts.
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Gunagan Barry P.
Melzer Jeffrey I.
Betz Laboratories Inc.
Boyd Steven D.
Ricci Alexander D.
Weber Thomas R.
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