Interference 103,482
and 30-37 under 35 U.S.C. § 112, 1st and 2nd
para.
C. Ewen’s Motion for Benefit of the July 15,
1988, filing date of Application 07/220,007,
now U.S. Patent 4,892,851
4. Dolle’s contentions
Discussion
1. Background
A. July 15, 1988 -- John A. Ewen and Abbas Razavi
(hereafter Ewen et al.) filed U.S. Application 07/220,007,
entitled “Process and Catalyst for Producing Syndiotactic
Polyolefins.”
B. May 20, 1989 -- Hoechst Aktiengesellschaft filed
Application P 3916553.1, entitled “Syndio-Isoblockpolymer und
Verfahren zu seiner Herstellung,” in the Federal Republic of
Germany.
C. October 10, 1989 -- John A. Ewen (hereafter Ewen)
filed U.S. Application 07/419,221, entitled “Catalyst for
Producing Hemiisotactic Polypropylene.”
D. January 9, 1990 -- U.S. Patent 4,892,851 issued from
Ewen et al. Application 07/220,007 filed July 15, 1988.
E. May 17, 1990 -- Volker Dolle, Jurgen Rohrmann,
Andreas Winter, Martin Antberg and Robert Klein (hereafter
Dolle) filed U.S. Application 07/525,096, entitled “Syndio-
5
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next
Last modified: November 3, 2007