Invention Grant
- Patent Title: Portland cement manufacture from oil shale
- Patent Title (中): 波特兰水泥制造从油页岩
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Application No.: US58279956Application Date: 1956-05-04
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Publication No.: US2904445APublication Date: 1959-09-15
- Inventor: SELLERS FREDERICK B , CHAPIN HENRY M
- Applicant: TEXACO DEVELOPMENT CORP
- Assignee: Texaco Development Corp
- Current Assignee: Texaco Development Corp
- Priority: US58279956 1956-05-04
- Main IPC: C04B7/30
- IPC: C04B7/30 ; C04B7/44
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