Image file arrangement for use with an improved image...

Details Image file arrangement for use with an improved image... Image file arrangement for use with an improved image...

2006-11-28

2006-11-28

Boykin, Terressa (Department: 1711)

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

Synthetic resins

Treating polymer containing material or treating a solid...

C521S040000, C521S040500, C521S048000, C521S049000, C528S044000, C528S480000, C528S486000

Reexamination Certificate

active

07141647

ABSTRACT:
A method of treating waste product containing flexible polyurethane resin includes adding a decomposing agent to the waste product to start a decomposition reaction; and terminating the decomposition reaction at a stage in which a diamine concentration derived from an isocyanate raw material of the flexible polyurethane resin is 2 wt % or lower to obtain a pasty intermediate product.

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