The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 15, 1989
Filed:
Aug. 22, 1985
Applicant:
Inventors:
Debra J Meschke, Valley Cottage, NY (US);
Kenneth L Hoy, St. Albans, WV (US);
Assignee:
Union Carbide Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 493 ; 252 495 ; 252 / ; 252 496 ; 252 498 ; 252 325 ; 252 50 ; 568620 ; 568623 ; 568624 ; 568625 ;
Abstract
Lubricant compositions having good dilution viscosity characteristics and high viscosity/pressure coefficients can be produced using a connected branch copolymer having a core segment, non-crosslinked branched polymer segments connected to the core segment and a group of linear polymer segments connected to the branched polymer segments and bearing terminal groups capable of effecting hydrogen bonding. These connected branch copolymers are used in aqueous lubricant compositions, which may include a co-solvent such as ethylene or diethylene glycol.