CA1324127C - Composition de ciment a la gomme welan
- Google Patents
Composition de ciment a la gomme welan
Info
Publication number
CA1324127C
CA1324127CCA000616313ACA616313ACA1324127CCA 1324127 CCA1324127 CCA 1324127CCA 000616313 ACA000616313 ACA 000616313ACA 616313 ACA616313 ACA 616313ACA 1324127 CCA1324127 CCA 1324127C
Authority
CA
Canada
Prior art keywords
cement
gum
welan
welan gum
slurry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Monsanto Co
Original Assignee
Merck and Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CA000566016Aexternal-prioritypatent/CA1322011C/fr
Application filed by Merck and Co IncfiledCriticalMerck and Co Inc
Priority to CA000616313ApriorityCriticalpatent/CA1324127C/fr
Application grantedgrantedCritical
Publication of CA1324127CpublicationCriticalpatent/CA1324127C/fr