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
2011-04-12
2011-04-12
Cheung, William K (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S220000, C525S221000, C525S231000, C525S474000, C526S317100, C526S319000, C526S352000
Reexamination Certificate
active
07923512
ABSTRACT:
The invention provides a medical implant or medical implant part comprising porous ultrahigh molecular weight polyethylene having a weight average molecular weight of about 400,000 atomic mass units or more and a porosity of about 15% to about 65%. The invention further provides a process for producing a medical implant or medical implant part.
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Hanes Mark D.
King Richard S.
Barnes & Thornburg LLP
Cheung William K
Depuy Products, Inc.
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