Back to results
US 5,516,459 AGranted
Aircraft cleaning/degreasing compositions
AssigneeBuckeye International, Inc.
InventorDonald N. Van Eenam
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeBuckeye International, Inc.
InventorDonald N. Van Eenam
Estimating the term…
Stable, cleaning/degreasing compositions for heavy duty exterior and interior aircraft cleaning and degreasing consisting essentially of (a) between approximately 0.5 and 10.0 weight percent of a specified tertiary amine N-oxide surfactant; (b) between approximately 0.5 and 5.0 weight percent of a specified water-dilutable, soluble or hydrocolloidally dispersable viscosifying agent; (c) between approximately 1 and 10 weight percent of an alkali metal silicate; (d) between approximately 0.1 and 1.0 weight percent of an alkali metal nitrite; and (e) water. The compositions are characterized by having a pH between approximately 10.5 and 13.3 and a Brookfield viscosity (LV-#3 spindle, 12 rpm) of between approximately 500 and 20,000 centipoise. Such compositions exhibit superior efficacy for heavy duty exterior and interior aircraft cleaning and degreasing a variety of surfaces without metal corrosion or stress crazing.
A stable, cleaning/degreasing concentrate composition for heavy duty exterior and interior aircraft cleaning and degreasing consisting essentially of:
A cleaning/degreasing composition for heavy duty exterior and interior aircraft cleaning and degreasing consisting essentially of approximately 1.5 weight percent of cocodimethylamine N-oxide, approximately 1.1 weight percent of an acrylic acid/alkyl (meth)acrylate copolymer, approximately 2.0 weight percent of sodium metasilicate, approximately 0.5 weight percent of sodium nitrite and the balance water, said composition being free from organic solvents.
A cleaning/degreasing composition for heavy duty exterior and interior aircraft cleaning and degreasing consisting essentially of approximately 0.9 weight percent of cocodimethylamine N-oxide, approximately 0.8 weight percent of octyldimethylamine N-oxide, approximately 1.1 weight percent of an acrylic acid/alkyl (meth)acrylate copolymer, approximately 2.0 weight percent of sodium metasilicate, approximately 0.5 weight percent of sodium nitrite and the balance water, said composition being free from organic solvents.
A cleaning/degreasing composition for heavy duty exterior and interior aircraft cleaning and degreasing consisting essentially of approximately 1.35 weight percent of lauryldimethylamine N-oxide, approximately 0.92 weight percent of a polyacrylic acid crosslinked with a polyalkenyl polyether, approximately 3.2 weight percent of sodium metasilicate, approximately 0.5 weight percent of sodium nitrite and the balance of water, said composition containing no solvent.
A cleaning/degreasing composition for heavy duty exterior and interiorsaircraft cleaning and degreasing consisting essentially of approximately 1.35 weight percent of cocodimethylamine N-oxide, approximately 0.94 weight percent of a xanthan gum, approximately 1.0 weight percent of sodium metasilicate, approximately 0.5 weight percent of potassium nitrite and the balance water, said compositon being free from organic solvents.
Dependencies are inferred from the claim text.