Invention Grant
- Patent Title: Chemical blowing agent
- Patent Title (中): 化学发泡剂
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Application No.: US747349Application Date: 1991-08-20
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Publication No.: US5132040APublication Date: 1992-07-21
- Inventor: David Randall , Rik De Vos
- Applicant: David Randall , Rik De Vos
- Applicant Address: GB2 London
- Assignee: Imperial Chemical Industries PLC
- Current Assignee: Imperial Chemical Industries PLC
- Current Assignee Address: GB2 London
- Priority: GBX8921182 19890919
- Main IPC: C08G18/02
- IPC: C08G18/02 ; C08G18/22 ; C08G18/28 ; C08G18/30 ; C08G18/32 ; C08G101/00 ; C08J9/02 ; C08J9/08 ; C09K3/00
Abstract:
A method for the preparation of polymeric foams which comprises reacting an organic polyisocyanate with a cyclic carbonate having at least one isocyanate-reactive substitutent attached to the carbonate ring.
Public/Granted literature
- US5988069A Electric initiator having a sealing material forming a ceramic to metal seal Public/Granted day:1999-11-23
Information query
