Siloxane containing block copolymers, process for their...

Details Siloxane containing block copolymers, process for their... Siloxane containing block copolymers, process for their...

2008-09-15

2010-11-23

Gulakowski, Randy (Department: 1796)

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

Synthetic resins

From silicon reactant having at least one...

C528S010000, C528S028000, C528S031000, C528S208000, C525S264000

Reexamination Certificate

active

07838614

ABSTRACT:
The invention relates to novel polyester-polysiloxane block copolymers, to a process for their preparation and to the use of these polymers as a base oil or as an additive in lubricants, especially silicone oils.

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