Issued Patents 1989
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867752 | N-alkyl amides as friction-reducers for lubricants and fuels | Milton Braid | 1989-09-19 |
| 4849119 | Diamine carboxylates and lubricant and fuel compositions containing same | — | 1989-07-18 |
| 4834893 | Substituted phosphorodithioates and their metal salts as multifunctional additives | John P. Doner, Liehpao O. Farng | 1989-05-30 |
| 4830636 | Hydrocarbon fuels containing sulfonyl dialkanol esters | — | 1989-05-16 |
| 4828734 | Grease compositions containing borated oxazoline compounds and hydroxy-containing soap thickeners | John P. Doner, John A. Keller, Jr. | 1989-05-09 |
| 4828732 | Grease compositions comprising borated diols and hydroxy-containing thickeners | John P. Doner, John A. Keller, Jr. | 1989-05-09 |
| 4828740 | Mixed hydroquinone-hydroxyester borates as antioxidants | Liehpao O. Farng | 1989-05-09 |
| 4820430 | Copper salts of thiodipropionic acid derivatives as antioxidant additives and lubricant compositions thereof | Liehpao O. Farng | 1989-04-11 |
| 4816171 | Lubricant compositions containing reaction products of formic acid and dialkylenetriamines | — | 1989-03-28 |
| 4816037 | Long chain diols and lubricants containing same | Joan M. Kaminski | 1989-03-28 |
| 4808196 | Fuels containing N-alkylalkylenediamine amides | — | 1989-02-28 |