Transition metal catalysts for (co) polymerizing of olefinic...

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C502S103000, C502S167000, C502S168000, C502S169000, C556S019000, C556S050000, C556S043000, C548S190000, C548S199000, C548S202000, C548S403000, C526S161000, C526S165000

Reexamination Certificate

active

10533945

ABSTRACT:
A compound of the formula Ia or Ib;where,in the formula Ia,E1is O, S, Se, Te, NR, CR2, or PR;E2, E3are each CR, N, or P;E4is N, or P;E5is OH, SH, NHR, OR′, SR′, or NRR′;E6is NH, PH, NR′, or PR′;R5, R6are each hydrogen or a linear, branched or cyclic alkyl radical or an aryl radical;R1, R2, R3, R4are each hydrogen, a linear, branched or cyclic alkyl radical, an aryl radical, a halogen or a nitro group;R is hydrogen, a linear, branched or cyclic alkyl radical;R′ is a linear, branched or cyclic alkyl radical;where at least one of the groups E5and E6contains a hydrogen atom; and in the formula Ib,the symbols E1, E4, E5, E6, R5, R6, R1, R2, R3, R4, R and R′ are as defined in formula Ia;andE′2and E′3are each O, S, Se, Te, NR, CR2, or PR.

REFERENCES:
patent: 3673152 (1972-06-01), Minagawa et al.
patent: 4990640 (1991-02-01), Tsutsui et al.
patent: 5155080 (1992-10-01), Elder et al.
patent: 5225500 (1993-07-01), Elder et al.
patent: 5321106 (1994-06-01), LaPointe
patent: 6309997 (2001-10-01), Fujita et al.
patent: 6559091 (2003-05-01), Moody et al.
patent: 6593266 (2003-07-01), Matsui et al.
patent: 2002/0055600 (2002-05-01), Fujita et al.
patent: 2002/0115557 (2002-08-01), Fujita et al.
patent: 2003/0158199 (2003-08-01), Stieber et al.
patent: 2003/0195110 (2003-10-01), Moody et al.
patent: 2003/0225228 (2003-12-01), Moody et al.
patent: 2004/0102493 (2004-05-01), Beswick et al.
patent: 2004/0192743 (2004-09-01), Mjalli et al.
patent: 0 283 390 (1988-09-01), None
patent: 0 426 637 (1991-05-01), None
patent: 0 426 638 (1991-05-01), None
patent: 427 697 (1991-05-01), None
patent: 0 874 005 (1998-10-01), None
patent: 0 950 667 (1999-10-01), None
patent: 1 174 442 (2002-01-01), None
patent: 20786870 (1990-03-01), None
patent: 3179005 (1991-08-01), None
patent: 3179006 (1991-08-01), None
patent: WO88/05792 (1988-08-01), None
patent: WO88/05793 (1988-08-01), None
patent: WO98/27124 (1998-06-01), None
patent: WO 00/50470 (2000-08-01), None
Richard F. Jordan et al., Organometallics 1997, vol. 16, No. 15 3282 to 3302, (1997).
Synthesis and Structural Studies of Metal Complexes 505 (2002), Asian J. Chem vol. 14, No. 1, pp 503-505.
Studies on Co (II) and Ni (II) Complexes of Newly Synthesised Heterocyclic Schiff Bases (2002), J. Institute Chemists, vol. 74, part 6, pp. 188-190.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Transition metal catalysts for (co) polymerizing of olefinic... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Transition metal catalysts for (co) polymerizing of olefinic..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Transition metal catalysts for (co) polymerizing of olefinic... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3773685

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.