The Organic Compound Is A Carboxylic Acid, Salt, Or Ester (e.g., Phosphosulfurized Oleic Acid, Etc.) Patents (Class 508/351)
  • Patent number: 6150308
    Abstract: An additive for lubricants including a dispersible metal complex compound containing phosphorus and nitrogen. This complex compound consists of a co-ordination compound containing a fatty acid residue and at most one RCOO group per two metal atoms. Zinc is the metal of preference. Utilization for wet drawing of metal wire.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: November 21, 2000
    Inventors: Frank Deruyck, Wilfried Coppens
  • Patent number: 5780397
    Abstract: There is disclosed a lubricant additive ingredient that imparts extreme pressure anti-wear properties to lubricant additive compositions. Specifically, there is disclosed a derivative of a vegetable oil triglyceride, a wax ester or a telomerized oil reacted with phosphorous pentasulfide to produce a phosphorous-sulfur (PS) extreme pressure additive.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: July 14, 1998
    Assignee: International Lubricants, Inc.
    Inventors: Phillip S. Landis, Blaine N. Rhodes, Will F. Williamson
  • Patent number: 5652201
    Abstract: Oleaginous compositions and additive concentrates therefor having enhanced performance characteristics comprise a) at least one oil-soluble overbased alkali or alkaline earth metal-containing detergent having a TBN of at least 200; and b) one or more oil-soluble boron-free additive compositions formed by heating (i) at least one boron-free oil-soluble ashless dispersant containing basic nitrogen and/or at least one hydroxyl group, with (ii) at least one inorganic phosphorus acid such that a liquid boron-free phosphorus-containing composition is formed.
    Type: Grant
    Filed: July 11, 1995
    Date of Patent: July 29, 1997
    Assignee: Ethyl Petroleum Additives Inc.
    Inventors: Andrew G. Papay, Rolfe J. Hartley