Invention Grant
- Patent Title: Amines and processes for preparing the same
- Patent Title (中): 胺及其制备方法
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Application No.: US246539Application Date: 1994-05-20
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Publication No.: US5399766APublication Date: 1995-03-21
- Inventor: Michael T. Sheehan , James R. Sounik , Bret F. Hann , William W. Wilkison, III
- Applicant: Michael T. Sheehan , James R. Sounik , Bret F. Hann , William W. Wilkison, III
- Applicant Address: NJ Somerville
- Assignee: Hoechst Celanese Corporation
- Current Assignee: Hoechst Celanese Corporation
- Current Assignee Address: NJ Somerville
- Main IPC: C07C45/70
- IPC: C07C45/70 ; C07C45/71 ; C07C49/825 ; C07C49/84 ; C07C217/58 ; C08G18/28 ; C08G18/50 ; C08G65/26 ; C08G65/28 ; C08G65/325 ; C07C217/54
Abstract:
Amines endowed with chain extension activity for formulations such as polyureas and polyurethanes are disclosed, which have the general formula: ##STR1## wherein n is 1-1000 and m is 1-100; R.sub.1 and R.sub.2 are from the group --C.sub.2 H.sub.4 -- and C.sub.3 H.sub.6 --; and R.sub.3 and R.sub.4 are each independently selected from the group consisting of H, --CH.sub.3, --CH.sub.2 CH.sub.3, --CH.sub.2 OH, and --CH.sub.2 --CH.sub.2 --OH; and the diasteromeric salts thereof.
Public/Granted literature
- US6132996A Thermocycling apparatus and method Public/Granted day:2000-10-17
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