Global Patent Index - EP 3661497 A4

EP 3661497 A4 20210707 - RECYCLABLE POLYMERS BASED ON RING-FUSED GAMMA-BUTYROLACTONES

Title (en)

RECYCLABLE POLYMERS BASED ON RING-FUSED GAMMA-BUTYROLACTONES

Title (de)

WIEDERVERWENDBARE POLYMERE AUF DER BASIS VON RINGKONDENSIERTEN GAMMA-BUTYROLACTONEN

Title (fr)

POLYMÈRES RECYCLABLES SUR LA BASE DE GAMMA-BUTYROLACTONES À CYCLES CONDENSÉS

Publication

EP 3661497 A4 20210707 (EN)

Application

EP 18928207 A 20180802

Priority

  • US 201762540672 P 20170803
  • US 2018045013 W 20180802

IPC 8 full level

A61K 31/365 (2006.01); A61K 47/30 (2006.01); A61K 47/34 (2017.01); C08G 63/00 (2006.01); C08G 63/08 (2006.01); C08G 63/78 (2006.01); C08G 63/82 (2006.01); C08G 69/14 (2006.01); C08G 69/20 (2006.01); C08G 75/26 (2006.01); C08J 11/12 (2006.01); C08J 11/16 (2006.01)

CPC (source: EP)

C08G 63/08 (2013.01); C08G 63/82 (2013.01); C08G 63/823 (2013.01); C08G 75/26 (2013.01)

Citation (search report)

  • [YA] WO 2016164911 A2 20161013 - UNIV COLORADO STATE RES FOUND [US]
  • [XAY] HABA OSAMU ET AL: "Ring-opening polymerization of a five-membered lactone trans-fused to a cyclohexane ring", POLYMER JOURNAL, vol. 46, no. 2, 1 February 2014 (2014-02-01), JP, pages 89 - 93, XP055806019, ISSN: 0032-3896, Retrieved from the Internet <URL:https://www.nature.com/articles/pj201370.pdf> [retrieved on 20210519], DOI: 10.1038/pj.2013.70
  • [XA] HALL H K JR: "Polymerization and ring strain in bridged bicyclic compounds", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, AMERICAN CHEMICAL SOCIETY, US, vol. 80, 1 January 1958 (1958-01-01), pages 6412 - 6420, XP002255671, ISSN: 0002-7863, DOI: 10.1021/JA01556A061
  • [XA] CHO HYUN-NAM ET AL: "Polymerization of 2-azabicyclo[2,2,1]heptan-3-one and its copolymerization with 2-pyrrolidone", JOURNAL OF POLYMER SCIENCE : PART A: POLYMER CHEMISTRY, vol. 23, no. 3, 1 March 1985 (1985-03-01), US, pages 623 - 634, XP055807353, ISSN: 0360-6376, Retrieved from the Internet <URL:http://dx.doi.org/10.1002/pol.1985.170230304> [retrieved on 20210526], DOI: 10.1002/pol.1985.170230304
  • [A] BANNIN TIMOTHY J. ET AL: "Poly(thioester) by Organocatalytic Ring-Opening Polymerization", MACROMOLECULES, vol. 48, no. 16, 25 August 2015 (2015-08-25), Washington DC United States, pages 5481 - 5486, XP055807242, ISSN: 0024-9297, Retrieved from the Internet <URL:https://pubs.acs.org/doi/pdf/10.1021/acs.macromol.5b01463> [retrieved on 20210525], DOI: 10.1021/acs.macromol.5b01463
  • See also references of WO 2020027845A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3661497 A1 20200610; EP 3661497 A4 20210707

DOCDB simple family (application)

EP 18928207 A 20180802