Process for the synthesis of polycarbamates

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

07022871

ABSTRACT:
Process for the synthesis of polyurethane derivatives from aromatic polyamine compounds. The method involves the reaction of an aromatic polyamine compound with CO and O2in the presence of a catalyst comprising a Group VIII or lanthanide metal on a solid support and a halogenide promoter.

REFERENCES:
patent: 4230877 (1980-10-01), Shawl et al.
patent: 4242520 (1980-12-01), Moy
patent: 4260781 (1981-04-01), Harvey
patent: 4319018 (1982-03-01), Miyata et al.
patent: 4375000 (1983-02-01), Merger et al.
patent: 4552974 (1985-11-01), Fukuoka et al.
patent: 4621149 (1986-11-01), Fukuoka et al.
patent: 4694097 (1987-09-01), Alper et al.
patent: 5194660 (1993-03-01), Leung et al.
patent: 5502241 (1996-03-01), Chaudhari et al.
patent: 0 083 096 (1983-07-01), None
patent: 0 359 519 (1990-03-01), None
patent: 2 054 584 (1981-02-01), None
patent: WO 98/55450 (1998-12-01), None
patent: 56012357 (1981-02-01), None
S. Kanagasabapathy, et al.., “Oxidative Carbonylation of Aniline Over Pd-ZSM-5 Catalyst”, Catalysis Letters 25 (1994), pp. 361-364, J.C. Baltzer AG, Science Publishers.
V.L.K. Valli, et al., “Oxidative Carbonylation of Aliphatic Mono-, Di-, and Triamines Catalyzed by Montmorillonite-Bipyridinylpalladium (II) Acetate”, Organometallics 1995, 14, pp. 80-82, American Chemical Society.

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

Process for the synthesis of polycarbamates does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the synthesis of polycarbamates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the synthesis of polycarbamates will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3550209

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