Packaging and containers made of water-soluble polyamides...

Details Packaging and containers made of water-soluble polyamides... Packaging and containers made of water-soluble polyamides...

2006-06-06

2006-06-06

Hampton Hightower, P. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C528S332000, C528S335000, C528S336000, C528S339000, C528S339300, C528S340000, C528S347000, C525S425000, C428S034100, C428S035200, C428S035400, C428S035700, C428S220000, C428S474400

Reexamination Certificate

active

07057008

ABSTRACT:
Packaging materials made from water-soluble nylons are disclosed, that readily contain materials such as caustic chemicals and upon exposure to water dissolve to provide for the release of the chemical into an aqueous environment. The materials are made from select polyether diamines and select aliphatic dicarboxylic acids.

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