Invention Grant
- Patent Title: Improvements in the production of polymerization products using halogen compounds toincrease the effectiveness of sulfone polymerization catalysts
- Patent Title (中): 使用卤素化合物改进聚合产物的生产,以提高砜聚合催化剂的有效性
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Application No.: US31809252Application Date: 1952-10-31
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Publication No.: US2776952APublication Date: 1957-01-08
- Inventor: HELLMUT BREDERECK , ERICH BADER , WOLFGANG NUBLING , ADOLF WOHNHAS
- Applicant: HERAEUS GMBH W C , DEGUSSA
- Assignee: Evonik Degussa GmbH,WC Heraus GmbH
- Current Assignee: Evonik Degussa GmbH,WC Heraus GmbH
- Priority: DEH0010270 1954-03-01; DEH0019490 1954-03-01
- Main IPC: A61K6/00
- IPC: A61K6/00 ; A61K6/083 ; C08F2/00 ; C08F2/38 ; C08F4/00 ; C08F4/40
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