Chalcogen In The Hetero Ring Patents (Class 508/245)
The chalcogen is oxygen (e.g., oxazines, etc.) (Class 508/246)
Polycyclo ring system which contains the hetero ring as one of the cyclos (e.g., phenothiazines, etc.) (Class 508/251)
  • Seal swell agents for lubricating compositions
    Patent number: 10808199
    Abstract: A composition comprising an oil of lubricating viscosity and a compound represented by formula (I) wherein x is 0 or 1 and R1 is a hydrocarbyl group containing about 4 to about 18 carbon atoms, which composition is effective at swelling seals.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: October 20, 2020
    Inventors: Mahmud M. Hussain, Peter Miatt
  • Lubricant additive, lubricant composition and grease composition
    Patent number: 8207098
    Abstract: A lubricant additive comprising a rod-like liquid crystal compound possessing a cation group and an anion is disclosed. The rod-like liquid crystal compound is typically a specific type of 4-(1,3-diox-2-yl)pyridinium salt and exhibits an effect of reducing the coefficient of friction if added in a small amount. A lubricant composition and a grease composition comprising the lubricant additive are also disclosed.
    Type: Grant
    Filed: September 10, 2007
    Date of Patent: June 26, 2012
    Assignees: Yamanashi University, Balbis Co., Ltd., Nippon Chemical Industrial Co., Ltd.
    Inventor: Yuichiro Haramoto
  • ORGANIC MOLYBDENUM COMPOUNDS AND OIL COMPOSITIONS CONTAINING THE SAME
    Publication number: 20100144568
    Abstract: The present invention provides novel organic molybdenum compounds, the use thereof as friction-modifiers and lubricating compositions which contain said compounds. The organic molybdenum compounds can be represented by the general formula (1) which is indicated below, wherein A1 and A2 are heterocyclic rings which may have substituent groups.
    Type: Application
    Filed: February 1, 2008
    Publication date: June 10, 2010
    Inventors: Eiji Nagatomi, Noriaki Shinoda, Yoshihiko Aihara
  • Surface Treatment Method Employing Discotic Compound, (Lubricant) Composition to Be Used Surface Treatments, and Surface-Treated Articles
    Publication number: 20080134938
    Abstract: A surface treatment method comprising coating at least a part of a surface of an object with a composition comprising at least one type of discotic compound, and applying a temperature variation to the composition is disclosed.
    Type: Application
    Filed: March 15, 2006
    Publication date: June 12, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Masayuki Negoro, Ken Kawata
  • Biodegradable non-toxic gear oil
    Publication number: 20030125218
    Abstract: A biodegradable lubricating oil composition especially useful as a gear oil employs a synthetic alcohol ester basestock formed from mono- and dipentaerythritol with certain mono- and dicarboxylic acids or dicarboxylic acid anhydrides and an effective amount of a polyoxyalkylene alcohol demulsifying agent, a combination of alkylated organic acid and ashless succinimide rust inhibitors and an ashless dithiocarbamate antiwear and extreme pressure agent.
    Type: Application
    Filed: October 8, 2002
    Publication date: July 3, 2003
    Inventors: Angeline Baird Cardis, Susan Ardito
  • Lubricating compositions
    Patent number: 5558805
    Abstract: Crankcase lubricant compositions for use in automobile or truck engines comprise a major amount of a lubricating oil, added copper present in oil-soluble form and an oil-soluble diamine sulphide. The specified additives provide a highly effective antioxidant system, which may be used, for example, in lubricating oils which are substantially free of phosphorus.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: September 24, 1996
    Assignee: Exxon Chemical Patents Inc
    Inventors: Terence Colclough, Morton Beltzer, Jacob J. Habeeb