(19)
(11) EP 4 153 392 A1

(12)

(43) Date of publication:
29.03.2023 Bulletin 2023/13

(21) Application number: 21728272.2

(22) Date of filing: 11.05.2021
(51) International Patent Classification (IPC): 
B29B 9/06(2006.01)
B29B 7/00(2006.01)
C08J 3/12(2006.01)
C08K 5/00(2006.01)
 B29B 9/12(2006.01)
B29B 7/82(2006.01)
C08J 5/18(2006.01)
(52) Cooperative Patent Classification (CPC):
C08J 3/12; B29B 9/06; B29B 9/12; B29B 7/007; B29B 7/826; C08K 5/0016; C08K 5/053; C08K 3/16; C08J 2329/04; C08J 2300/14
 
C-Sets:
  1. C08K 5/053, C08L 29/04;
  2. C08K 3/16, C08L 29/04;
(86) International application number:
PCT/GB2021/051124
(87) International publication number:
WO 2021/240130 (02.12.2021 Gazette 2021/48)
(84) Designated Contracting States:
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
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 26.05.2020 GB 202007826
26.05.2020 US 202016882794

(71) Applicant: Peter Morris Research and Development Limited
Tetbury, Gloucestershire GL8 8AA (GB)

(72) Inventor:
  • MORRIS, Peter
    Cirencester, Gloucestershire GL7 6PE (GB)

(74) Representative: Doherty, William et al
Albright IP Limited County House Bayshill Road
Cheltenham, Glos. GL50 3BA
Cheltenham, Glos. GL50 3BA (GB)

   


(54) METHOD OF MAKING A WATER-SOLUBLE POLYMER, WATER-SOLUBLE POLYMER SO PRODUCED, AND MELT-PROCESSABLE WATER-SOLUBLE POLYMER COMPOSITION