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Class Information
Number: 508/453
Name: Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions > Lubricants or separants for moving solid surfaces and miscellaneous mineral oil compositions (e.g., water containing, etc.) > Compound of indeterminate structure, prepared by reacting an organic -c(=o)o- compound of known structure > An aldehyde or azomethine is reacted with the -c(=o)o- compound
Description: Compositions wherein the -C(=O)O- compound is reacted with an aldehyde or with an azomethine.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7494961 |
Polyphenolics as lubricant oil additives |
Feb. 24, 2009 |
| 6846783 |
Acylatign agents and dispersants for lubricating oil and fuels |
Jan. 25, 2005 |
| 6025309 |
Polymeric acetals of hydroxycarboxylic acids and their derivatives, and a process for their preparation |
Feb. 15, 2000 |
| 5620949 |
Condensation products of alkylphenols and aldehydes, and derivatives thereof |
Apr. 15, 1997 |
| 5580484 |
Lubricating oil dispersants derived from hydroxy aromatic succinimide Mannich base condensates of heavy polyamine |
Dec. 3, 1996 |
| 5458790 |
Alkaline earth metal hydrocarbyl salicylate concentrates, their preparation and use |
Oct. 17, 1995 |
| 5439607 |
Multifunctional viscosity index improver-dispersant antioxidant |
Aug. 8, 1995 |
| 5326488 |
Mannich reaction product and process for producing the same and use of the product |
Jul. 5, 1994 |
| 5219480 |
Ethylene alpha-olefin Mannich Base viscosity index improver/dispersant additives derived from amino phenols and monosecondary amines |
Jun. 15, 1993 |
| 5043084 |
Novel polymer substituted amino phenol mannich base amido-amine dispersant additives (PT-742) |
Aug. 27, 1991 |
| 5030369 |
Oil soluble dispersant additives useful in oleaginous compositions |
Jul. 9, 1991 |
| 4844827 |
Lubricating oil additive |
Jul. 4, 1989 |
| 4384138 |
Process and compositions |
May. 17, 1983 |
| 4337269 |
Preservative compositions |
Jun. 29, 1982 |
| 4142980 |
Mannich reaction products made with alkyphenol substituted aliphatic unsaturated carboxylic acids |
Mar. 6, 1979 |
| 4098708 |
Substituted hydroxyaromatic acid esters and lubricants containing the same |
Jul. 4, 1978 |
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