Polythiocarbonate polythiol

Details Polythiocarbonate polythiol Polythiocarbonate polythiol

2008-06-10

2008-06-10

Boykin, Terressa M (Department: 1796)

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C436S500000, C436S527000, C436S530000, C528S065000

Reexamination Certificate

active

07385022

ABSTRACT:
Disclosed is a polythiocarbonate polythiol including repeating units represented by the chemical formula (I):in which formula (I), R represents a divalent hydrocarbon group, which hydrocarbon group may have at least one substituent which does not take part in a reaction with the polyisocyante component and the carbon chain in the hydrocarbon group may include at least one member selected from hetero atoms and an —OCO— group, and the polythiocarbonate polythiol has a number average molecular weight of 200 to 2500.

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