S,s′-bis-(α,...

Organic compounds -- part of the class 532-570 series – Organic compounds – Esters having the thiocarboxylate group – -cx- – wherein the...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C526S222000

Reexamination Certificate

active

11192282

ABSTRACT:
A s,s′-bis-(α,α′-disubstituted-α″-acetic acid)-trithiocarbonate and derivatives thereof can be used as an initiator, chain transfer agent, or terminator for polymerization of monomers such as free radical polymerizable monomers. Homopolymers, copolymers, and the like as well as block copolymers can be made utilizing the trithio carbonate compound such as in a living free radical polymerization as well as to form telechelic polymers.

REFERENCES:
patent: 3285945 (1966-11-01), Wember
patent: 3285949 (1966-11-01), Siebert
patent: 3770698 (1973-11-01), Riew
patent: 3928491 (1975-12-01), Waters
patent: 3992432 (1976-11-01), Napier et al.
patent: 4769419 (1988-09-01), Dawdy
patent: 5055515 (1991-10-01), Backderf
patent: 5140068 (1992-08-01), Siebert et al.
patent: 5157077 (1992-10-01), Siebert et al.
patent: 5198510 (1993-03-01), Siebert et al.
patent: 5258445 (1993-11-01), Sperk, Jr. et al.
patent: 5280068 (1994-01-01), Siebert et al.
patent: 5312956 (1994-05-01), Bertsch
patent: 5385963 (1995-01-01), McBain et al.
patent: 5604084 (1997-02-01), Grzeskowiak et al.
patent: 5807748 (1998-09-01), Bailey
patent: 6153705 (2000-11-01), Corpart et al.
patent: 6380335 (2002-04-01), Charmot et al.
patent: 6395850 (2002-05-01), Charmot et al.
patent: 0704460 (1996-04-01), None
patent: 9801478 (1998-01-01), None
patent: 9931144 (1999-06-01), None
patent: 9935177 (1999-07-01), None
Jensen et al , Organic selenium compounds. Acta Chemical Scandinavica, 1970, 24(6), pp. 2055-2060, an abstract (2 pages).
Dadamoussa et al , Synthesis and reactivity of binuclear coordination compounds by the reaction of fe2(CO)9 with linear trithiocarbonates, Jouranl de la Societe Algerienne de Chimie (1999), 9(1), 59-71 ,an abstract page (1 page ).
Brink et al , Nuclear magnetic resonance spectra of some diastereomeric compounds, Acta Universitatis Lundensis, Sectio 2: Medica, Mathematicca, Scientiae Rerum Naturalium(19967), No. 10,9 p. an abstract page (1 page ).
Ahlquist, Carbaminoglycolic acids, Journal fuer Praktishe chemie (Leipzig),1919, 99, pp. 45-84, an abstract page (2 pages).
Jassen, Physical properties of organic thiones, Recuell des Travaux chimiques des pays-Bas, 1963, 82 (9-10), 931-40 (abstract page (1 page ).
“Direct Synthesis of Double Hydrophilic Statistical Di- and Triblock Copolymers Comprised of Acrylamide and Acrylic Acid Units via the MADIX Process”, Daniel Taton, et al.,Macromolecular Rapid Communications, 22, No. 18, 1497-1503 (2001).
“Dithiocarbamates as universal reversible addition-fragmentation chain transfer agents”, M. Destarao, et al.,Macromolecular Rapid Communications, 21, No. 15, 1035-1039 (2000).
“Living Radical Polymerization with Reversible Addition—Fragmentation Chain Transfer (RAFT Polymerization) Using Ditriocarbamates as Chain Transfer Agents”, Roshan T.A. Mayadunne, et al.,Macromolecules1999, 32, 6977-6980.
World Polymer Congress, 37th International Symposium on Macromolecules, Jul. 12-17, 1998, Gold Coast, Australia.
“Living Free-Radical Polymerization by Reversible Addition-Fragmentation Chain Transfer: The RAFT Process”, John Chiefari, et al., CSIROMolecular Science Bag 10., Clayton South, Clayton, Victoria 3169, Australia, received Mar. 27, 1998, Revised Manuscript received Jun. 10, 1998.
“The Synthesis of Organic Trithiocarbonates”, H. C. Godt, Jr., et al.,Journal of Organic Chemistry, 26, 4047 (1961).
“Phase-Transfer Synthesis of Symmetrical and Unsymmetrical Dialkyl Trithiocarbonates”, Iacopo Degani, et al.,Synthesis, p. 894 (1986).
“A New Form of Controlled Growth Free Radical Polymerization”, Julia Krstina, et al., CSIRO, Division of Chemicals and Polymers,Macromol. Symp.III, 13-23 (1996).
“One Pot Phase Transfer Synthesis of Trithiocarbonates from Carbon Disulphide and Alkyl Halides”, Albert W. M. Lee, et al.,Synthetic Comm. 18 (13), 1531 (1988).
“A Novel One-step Synthesis of Symmetrical Dialkyl Trithiocarbonates”, Man-kit Leung, et al.,Journal of Chemical Research(S), 1995, 478-479.

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

S,s′-bis-(α,... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with S,s′-bis-(α,..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and S,s′-bis-(α,... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3890552

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