← Back to Patent Explorer
US4407741A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydrotropic cleaner

Assignee: Life Industries Corp
•
Filing: 1982-01-27
•
Granted: 1983-10-04
•
Expires: 2002-01-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A cleaner which is particularly suited for use as a bilge cleaner comprises (a) methyl-2 pyrrolidone, (b) an alkylaryl polyether alcohol obtainable as the reaction product of octylphenol and ethylene oxide and containing an average of five ethylene oxide units per molecule, and (c) an alkylaryl polyether alcohol obtainable as the reaction product of octylphenol and ethylene oxide and containing an average of seven to eight ethylene oxide units per molecule. One or more of defoaming and color agents and a fragrance component are included in preferred embodiments of the invention.

Inventors

  • 👤 Richard D. Maggi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 01:06
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/43; C02; C02F; C02F1/00; C02F1/68; C02F1/682; C09; C09K; C09K3/00; C09K3/32; C11D1/00; C11D1/66; C11D1/825; C11D1/8255; C11D1/72

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 83 words
A cleaning composition comprising (a) about 0.22 to 0.33 parts by weight of methyl-2 pryyolidone, (b) about 1.5 to 2 parts by weight of an alkylaryl polyether alcohol obtainable as the reaction product of octylphenol and ethylene oxide and containing an average of five ethylene oxide units per molecule and (c) one part by weight of an alkylaryl polyether alcohol obtainable as the reaction product of octylphenol and ethylene oxide and containing an average of seven to eight ethylene oxide units per molecule.
Claim 2
Dependent Claim 83 words
A cleaning composition comprising (a) about 0.22 to 0.33 parts by weight of methyl-2 pryyolidone, (b) about 1.5 to 2 parts by weight of an alkylaryl polyether alcohol obtainable as the reaction product of octylphenol and ethylene oxide and containing an average of five ethylene oxide units per molecule and (c) one part by weight of an alkylaryl polyether alcohol obtainable as the reaction product of octylphenol and ethylene oxide and containing an average of seven to eight ethylene oxide units per molecule.
Claim 3
Dependent Claim 8 words
The composition of claim 1 further including water.
Claim 4
Dependent Claim 14 words
The composition of claim 1 further including a fragrance component and a defoaming agent.
Claim 5
Dependent Claim 16 words
The composition of claim 1 further including 0 to 0.9 parts by weight of sodium bicarbonate.
Claim 6
Dependent Claim 12 words
The composition of claim 1 or claim 2 including a defoaming agent.
Claim 7
Dependent Claim 13 words
The composition of claim 1 or claim 2 further including a fragrance component.
Claim 8
Dependent Claim 25 words
The composition of claim 2 containing up to about 20 parts by weight of water to one part by weight of the balance said composition.
Claim 9
Dependent Claim 83 words
A cleaning composition comprising (a) 5.8 to 7.2 parts by weight of methyl-2 pyrrolidone, (b) 35.8 to 43.8 parts by weight of an alkylaryl polyether alcohol obtainable as the reaction product of octylphenol and ethylene oxide and containing an average of five ethylene oxide units per molecule and (c) 21.8 to 26.6 parts by weight of an alkylaryl polyether alcohol obtainable as the reaction product of octylphenol and ethylene oxide and containing an average of seven to eight ethylene oxide units per molecule.
Claim 10
Dependent Claim 83 words
A cleaning composition comprising (a) 5.8 to 7.2 parts by weight of methyl-2 pyrrolidone, (b) 35.8 to 43.8 parts by weight of an alkylaryl polyether alcohol obtainable as the reaction product of octylphenol and ethylene oxide and containing an average of five ethylene oxide units per molecule and (c) 21.8 to 26.6 parts by weight of an alkylaryl polyether alcohol obtainable as the reaction product of octylphenol and ethylene oxide and containing an average of seven to eight ethylene oxide units per molecule.
Claim 11
Dependent Claim 24 words
The composition of claim 8 containing up to 20 parts by weight water to one part by weight of the balance of said composition.
Claim 12
Dependent Claim 17 words
The composition of claim 8 or claim 9 further including a fragrance component and a defoaming agent.
Claim 13
Dependent Claim 19 words
The composition of claim 8 or claim 9 further including 0 to 0.9 parts by weight of sodium bicarbonate.

References Cited (Backward Citations)

US3948819A Cited
US3806460A Cited
US3983078A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-10-03 1987-04-04 1987-10-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-10-03 1991-04-04 1991-10-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-10-03 1995-04-04 1995-10-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag