| |
 |
Andrew D. Abbott Patents |
|
Inventor: Abbott; Andrew D.
Address: Greenbrae, CA
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 3983041 |
Rust inhibitor for mono- or polyurea greases |
September 28, 1976 |
| An improved grease composition is disclosed and comprises a novel combination of a Mannich base, a poly- or monourea thickener and an alkaline earth metal carbonate or carboxylate within a lubricating oil. The Mannich base is prepared by reacting formaldehyde, alkylphenol and an amin |
|
|
|