Invention Grant
- Patent Title: Process for preparation of modified polyethylene terphthalate with improved barrier, mechanical and thermal properties and products thereof
-
Application No.: US15502200Application Date: 2015-08-05
-
Publication No.: US10174162B2Publication Date: 2019-01-08
- Inventor: Sanjay Tammaji Kulkarni , Balasundaram Dillyraj , Chandrakant Omkar Vyas
- Applicant: ESTER INDUSTRIES LIMITED
- Applicant Address: IN Udhamsingh Nagar, Uttarakhand
- Assignee: Ester Industries Limited
- Current Assignee: Ester Industries Limited
- Current Assignee Address: IN Udhamsingh Nagar, Uttarakhand
- Agency: Martin & Ferraro, LLP
- Priority: IN2216/DEL/2014 20140805
- International Application: PCT/IN2015/050081 WO 20150805
- International Announcement: WO2016/020938 WO 20160211
- Main IPC: C08G63/91
- IPC: C08G63/91 ; C08G63/183 ; C08L67/02 ; C08G63/189 ; C08K3/34 ; C08K3/36 ; C08K5/098
Abstract:
The present invention relates to a copolyester having intrinsic viscosity greater than 0.50 dL/gm, comprises: terephthalate polyester composition; and a modified transparent polybutylene naphthalate, wherein the modified polybutylene naphthalate comprises naphthalene dicarboxylic acid, 1,4-butane diol, and isophthalic acid or monoethylene glycol or diethylene glycol or cyclohexane dimethanol or polyethylene naphthalate, nucleating agent, and a modified nanoclay.
Public/Granted literature
Information query
