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.

Date of Patent:
Feb. 18, 2025

Filed:

Apr. 11, 2022
Applicants:

The Boeing Company, Arlington, VA (US);

Commonwealth Scientific and Industrial Research Organisation, Acton, AU;

Inventors:

Mathew John Ballard, Oakleigh East, AU;

Philip Stephen Casey, Heathmont, AU;

Susan Wan-Yi Holmes, Murrumbeena, AU;

Cameron David Way, Heathmont, AU;

Kevin Norman Winzenberg, Camberwell, AU;

James Hull, Seattle, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 107/50 (2006.01); C10M 107/48 (2006.01); C10M 137/12 (2006.01); C10N 30/02 (2006.01); C10N 30/04 (2006.01); C10N 30/08 (2006.01); C10N 40/08 (2006.01);
U.S. Cl.
CPC ...
C10M 107/50 (2013.01); C10M 107/48 (2013.01); C10M 137/12 (2013.01); C10M 2223/0603 (2013.01); C10M 2229/0425 (2013.01); C10N 2030/02 (2013.01); C10N 2030/04 (2013.01); C10N 2030/08 (2013.01); C10N 2040/08 (2013.01);
Abstract

The present disclosure relates to polysiloxanes, processes for preparing polysiloxanes, and hydraulic fluids comprising polysiloxanes. This disclosure also relates to hydraulic fluids comprising one or more polysiloxane compounds and diphosphonate compounds, and to the use of diphosphonate compounds in hydraulic fluids or as additives or components in various compositions, for example to provide fire retardant properties to a fluid or composition. This disclosure also relates to use of the compositions as hydraulic fluids, which may be used in various machines, vehicles and craft, including aircraft.


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