Invention Grant
- Patent Title: Solid state polymerization process for polyester with phosphinic acid compounds
- Patent Title (中): 具有次膦酸化合物的聚酯的固态聚合方法
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Application No.: US13568585Application Date: 2012-08-07
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Publication No.: US08436131B2Publication Date: 2013-05-07
- Inventor: Paul Odorisio , Stephen M. Andrews , Thomas F. Thompson , Si Wu , Paragkumar Thanki , Deepak M. Rane , Delina Joseph , Jianzhao Wang
- Applicant: Paul Odorisio , Stephen M. Andrews , Thomas F. Thompson , Si Wu , Paragkumar Thanki , Deepak M. Rane , Delina Joseph , Jianzhao Wang
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agent Tyler A. Stevenson
- Main IPC: C08G64/00
- IPC: C08G64/00 ; C08G63/02
Abstract:
Disclosed are phosphinic acid compounds of formula I, II or III where R1 and R1′ are for instance straight or branched C1-C50alkyl, R2 is for instance straight or branched C22-C50alkyl, R3 and R3′ are for instance straight or branched C1-C50alkyl, R4 is for instance straight or branched C1-C50alkylene and m is from 2 t 100. Also disclosed are polyester compositions comprising the compounds of formula I, II and III.
Public/Granted literature
- US20130035451A1 Solid State Polymerization Process for Polyester with Phosphinic Acid Compounds Public/Granted day:2013-02-07
Information query
