Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2007-11-13
2007-11-13
Lipman, Bernard (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S326400, C525S359300
Reexamination Certificate
active
11211884
ABSTRACT:
A catalyst is preparable from a first component represented by R′C(CF2R)O−Q+and a second component (NCCFR″)bZ. The catalyst may be combined with a fluoropolymer having nitrogen-containing cure-sites to form a curable composition that is useful for preparing fluoroelastomer compositions.
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Grootaert Werner M. A.
Guerra Miguel A.
3M Innovative Properties Company
Ehrich Dena M.
Geise C. Michael
Lipman Bernard
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