Patent Yard Sign in
Expired Canadian patentCanada

Water tolerance fixes in functional fluids and lubricants

CA 1294602 C · Owner: Tipton, Craig Daniel · Inventors: Tipton, Craig Daniel

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

Title:, WATER TOLERANCE FIXES IN FUNCTIONAL FLUIDS AND LUBRICANTS, ABSTRACT OF THE DISCLOSURE The present invention is a composition having improved water tolerance properties which is adapted for use as a functional fluid or lubricating composition. The composition is comprised of a major amount of a synthetic or mineral oil of lubricating viscosity and a minor amount of a water tolerance fix compound. The water tolerance fix compound is present in an amount which is effective to improve the water tolerance properties of the composition as a whole which amount is in the range of from about 0.1 parts by weight to about 5 parts by weight per 100 parts by weight of the oil. The water …

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted January 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 21, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 15, 1987
GrantedJanuary 21, 1992
Term endedJanuary 21, 2009
Patent numberCA 1294602 C
Classification (IPC)C10M133/52

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedApril 15, 1987Patent grantedJan 21, 1992Term endedJan 21, 2009

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.