Invention Grant
- Patent Title: Depropanizing asphalt
- Patent Title (中): 脱沥青沥青
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Application No.: US11727836Application Date: 1936-12-23
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Publication No.: US2116772APublication Date: 1938-05-10
- Inventor: TUCKER ELTON B , THIELE ERNEST W
- Applicant: STANDARD OIL CO
- Assignee: Standard Oil Co
- Current Assignee: Standard Oil Co
- Priority: US11727836 1936-12-23
- Main IPC: C10C3/08
- IPC: C10C3/08
Public/Granted literature
- US07536882B2 Drum type washing machine Public/Granted day:2009-05-26
Information query
