Halogenated styrene compounds and very low-loss polymers...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

Reexamination Certificate

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Details

C526S248000, C526S251000, C526S252000, C526S262000, C526S347000

Reexamination Certificate

active

07144965

ABSTRACT:
The invention is directed to polymerizable vinyl compounds having halogenated aromatic groups and to a method of synthesizing such compounds. In particular, the invention is directed to polymerizable aromatic vinyl compounds wherein, except for the vinylic hydrogen atoms, aromatic C—H bonds are replaced by C—X bonds, where X is a halogen or other selected substituent having a de minimus number, if any, of C—H bonds; for example, without limitation, highly fluorinated fluoroalkanes. In addition, the compounds of the invention have a de minimus number, if any, of N—H and O—H bonds.

REFERENCES:
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patent: 5391587 (1995-02-01), Wu
patent: 6369279 (2002-04-01), Nakashima et al.
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patent: 08333322 (1996-12-01), None
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patent: 2000327622 (2000-11-01), None
patent: 2000327629 (2000-11-01), None
patent: 2000327652 (2000-11-01), None
patent: 61-114211 (2001-05-01), None
“Synthesis and characterization of 4-[per/polyfluoro)phenyloxy]-4′-vinylbiphenyls and their polymers” I.I. Selvaraj, et al, Dept. of Chemistry Polymer 40 1999 pp. 6575-6582.

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