INTERNATIONAL PATENT: CARL ZEISS VISION INTERNATIONAL GMBH, CARL ZEISS VISION TECHNICAL SERVICES GUANGZHOU LTD. FILES APPLICATION FOR "METHOD OF PRODUCING A POLYTHIOURETHANE RESIN RAW MATERIAL FOR MANUFACTURING OF A SPECTACLE LENS SUBSTRATE AND SPECTACLE LENS SUBSTRATE"

GENEVA, Jan. 11 -- CARL ZEISS VISION INTERNATIONAL GMBH (Turnstrasse 27, Aalen73430), CARL ZEISS VISION TECHNICAL SERVICES GUANGZHOU LTD. (No. 1636, Zhishi Dadao, Huangpu DistrictGuangzhou, Guangdong 510555) filed a patent application (PCT/CN2024/103999) for "METHOD OF PRODUCING A POLYTHIOURETHANE RESIN RAW MATERIAL FOR MANUFACTURING OF A SPECTACLE LENS SUBSTRATE AND SPECTACLE LENS SUBSTRATE" on Jul 05, 2024. With publication no. WO/2026/007124, the details related to the patent application was published on Jan 08, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): WINDBIEL, Julian (Turnstrasse...