Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2008-07-22
2008-07-22
Harlan, Robert D. (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S318000, C526S337000, C526S348000
Reexamination Certificate
active
07402642
ABSTRACT:
The present invention is related to a linear functional polymer having repeating units A, B and D. Unit A represents —CH2—, unit B representsand unit D representswhere R1represents a polar functional group. There are at least four A units separating each B unit, each D unit, and each B and D unit. The value y represents the total number of B units and is an integer greater than or equal to 1. The total number of D units is represented by h and is an integer greater than or equal to 0. And x represents the total number of A units and is an integer sufficient that the molar fraction of the B and D units in the linear functional polymer is represented by a value j defined by the equation:j=y+hx+y+h≤0.032.The present invention is also directed to a method for preparing such linear functional polymers by copolymerizing a first polar substituted monomer and a second non-polar unsubstituted monomer.
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Baugh Lisa S.
Berluche Enock
Lehman, Jr. Stephen E.
Schulz Donald N.
Wagener Kenneth B.
ExxonMobil Research and Engineering Company
Harlan Robert D.
Migliorini Robert A.
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