Claims
- 1. A liquid composition comprising
- (A) about 2 to about 20 wt % of a solvent having the general formula ##STR3## wherein "n" is 1 or 2; (B) about 4 to about 50 wt % of a cosolvent having the formula
- R.sub.1 �O--R.sub.2 !.sub.m --OH
- where R.sub.1 and R.sub.2 are each independently selected from alkyl from C.sub.1 to C.sub.6 and "m" is 1 or 2;
- (C) 2 to about 40 wt % of an alkanol from C.sub.1 to C.sub.3, where the total of cosolvent plus alkanol is about 41 to about 68 wt %;
- (D) 0 to about 5 wt % of a surfactant; and
- (E) about 7 to about 56 wt % water, said composition being a single phase.
- 2. A composition according to claim 1 wherein said solvent is parachlorobenzotrifluoride.
- 3. A composition according to claim 1 wherein said cosolvent is ethylene glycol monobutyl ether.
- 4. A composition according to claim 1 wherein said cosolvent is propylene glycol monomethyl ether.
- 5. A composition according to claim 1 wherein said cosolvent is 3-methoxy-3-methyl-1-butanol.
- 6. A composition according to claim 1 wherein said alkanol is isopropanol.
- 7. A composition according to claim 1 wherein said surfactant is anionic.
- 8. A composition according to claim 1 wherein said solvent is about 5 to about 20 wt %, said cosolvent is about 10 to about 30 wt %, said alkanol is about 2 to about 20 wt %, and said surfactant is about 0.5 to about 05 wt %.
- 9. A composition according to claim 1 wherein said solvent is about 2 to about 10 wt %, said cosolvent is about 5 to about 30 wt %, said alkanol is about 2 to about 20 wt %, and said surfactant is about 0.5 to about 10 wt %.
- 10. A composition according to claim 1 wherein said alkanol is about 2 to about 10 wt %.
- 11. A method of cleaning a hard surface comprising applying a composition according to claim 1 to said surface and removing said composition from said surface.
- 12. A method of removing paint from a surface comprising applying a composition according to claim 1 to said paint, permitting said composition to remain on said paint until said paint has been at least partially degraded, and stripping said paint from said surface.
- 13. A liquid composition comprising
- (A) about 5 to about 20 wt % parachlorobenzotrifluoride;
- (B) about 10 to about 30 wt % of a cosolvent having the formula
- R.sub.1 �O--R.sub.2 !.sub.m --OH
- where R.sub.1 is alkyl from C.sub.1 to C.sub.4, R.sub.2 is alkyl from C.sub.1 to C.sub.5, and m is 1 or 2;
- (C) about 2 to about 20 wt % of an alkanol from C.sub.2 to C.sub.3 ;
- (D) about 0.5 to about 5 wt % of an anionic surfactant having the formula ##STR4## where R is alkyl from C.sub.10, to C.sub.14, "p" is an integer from 3 to 18, and the cation is hydrogen, an alkali metal, or ammonium; and
- (E) about 25 to about 82.5 wt % water, said composition being a single phase.
- 14. A composition according to claim 13 wherein said cosolvent is ethylene glycol monobutyl ether.
- 15. A composition according to claim 13 wherein said cosolvent is propylene glycol monomethyl ether.
- 16. A composition according to claim 13 wherein said cosolvent is 3-methoxy-3-methyl-1-butanol.
- 17. A composition according to claim 13 wherein said alkanol is isopropanol.
- 18. A composition according to claim 13 wherein said anionic surfactant is sodium dodecyl benzene sulfonate.
- 19. A method of cleaning a hard surface comprising applying a composition according to claim 13 to said surface and removing said composition from said surface.
- 20. A liquid composition comprising
- (A) about 10 to about 20 wt % parachlorobenzotrifluoride;
- (B) about 20 to about 40 wt % ethylene glycol monobutyl ether;
- (C) about 10 to about 30 wt % isopropanol;
- (D) about 0.5 to about 5 wt % sodium dodecyl benzene sulfonate; and
- (E) about 5 to about 59.5 wt % water, said composition being a single phase.
- 21. A composition according to claim 1 wherein the wt % of said surfactant is 0.
Parent Case Info
This application is a continuation-in-part of application Ser. No. 08/339,519, filed Nov. 14, 1994, now abandoned.
US Referenced Citations (13)
Foreign Referenced Citations (1)
Number |
Date |
Country |
7-278594 |
Oct 1995 |
JPX |
Non-Patent Literature Citations (3)
Entry |
"Aqueous and Semi-Aqueous Alternatives for CFC-113 and Methyl Chloroform Cleaning of Printed Circuit Board Assemblies", United States Environmental Protection Agency, p. 21, Jun. 1991. |
"Axarel (TM) Cleaning Agent", DuPont Electronics, six page brochure, Feb. 1990. |
Kuraray MMB 3-Methyl-3-methoxy butanol Product Brochure Feb, 1992. |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
339519 |
Nov 1994 |
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