You don't need the product names or old records. No fee unless we recover compensation for your family.
J. Lummus and C. Edwards received US Patent No. 3,723,311 on March 27, 1973, filed March 17, 1971. It was assigned to BP America Production Co.
The patent's abstract:
A DRILLING FLUID COMPOSITION INCLUDES WATER, FLAXSEED GUM, GILSONITE, ASBESTOS, AND A STABILIZING AGENT, SUCH AS ETHOXYLATED NONYL PHENOL, OR ETHOXYLATED POLYPROPYLENE GLYCOL. THE WATER CAN BE FRESH OR SALTY. THE DRILLING FLUID CAN BE SUBSTANTIALLY CLAY-FREE. IT MAY CONTAIN OIL, A PRESERVATIVE, SUCH AS PARAFORMALDEHYDE, AND OTHER ADDITIVES, SUCH AS STARCH, IF DESIRED.
- Author
- J. Lummus; C. Edwards
- Published by
- US Patent Office
- Series
- US Patent No. 3,723,311
- Date
- March 27, 1973
- Library no.
- ACL Doc 22720 · asbestosclaims.law/library/22720
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 7 pages · 870 KB
Where it was listed
- Asbestos, June 1973, in its patents department (the year's issues)
Cited on this site
Cite this document
J. Lummus, C. Edwards. “Inert low solids drilling fluid (US Patent 3,723,311, 1973).” March 27, 1973. US Patent No. 3,723,311. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22720. https://asbestosclaims.law/library/22720.
ACL Doc numbers and their short links never change. See how to cite the Library.
Talk with an asbestos lawyer
Start with what you remember, and we'll take it from there.
This page is provided for general informational purposes and does not constitute legal advice. Every asbestos case turns on its own facts, exposure history, diagnosis, deadlines, available evidence, and applicable law. Reviewing this page does not create an attorney-client relationship. For advice about your specific situation, call 833-4-ASBESTOS for a free case review.