(19)
(11) EP 4 448 536 A1

(12)

(43) Date of publication:
23.10.2024 Bulletin 2024/43

(21) Application number: 21841118.9

(22) Date of filing: 15.12.2021
(51) International Patent Classification (IPC): 
C07F 7/12(2006.01)
C08G 77/00(2006.01)
 C07F 7/18(2006.01)
(52) Cooperative Patent Classification (CPC):
C07F 7/12; C07F 7/123; C07F 7/1892; C08G 77/14; C08G 77/20; C08G 77/06
(86) International application number:
PCT/US2021/063438
(87) International publication number:
WO 2023/113779 (22.06.2023 Gazette 2023/25)
(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

(71) Applicant: Gelest, Inc.
Morrisville, PA 19067 (US)

(72) Inventors:
  • ARKLES, Barry, C.
    Pipersville, PA 18947 (US)
  • GOFF, Jonathan, D.
    Philadelphia, PA 19107 (US)

(74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB 
Siebertstrasse 3
81675 München
81675 München (DE)

   


(54) HIGH PURITY POLYSILOXANE MACROMERS AND METHOD FOR MAKING THE SAME