Dimethyl sulfoxide formulation in mixture with additive for...

Distillation: processes – separatory – Adding material to distilland except water or steam per se – Organic compound

Reexamination Certificate

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Details

C510S201000, C510S212000, C510S407000, C134S038000

Reexamination Certificate

active

07959767

ABSTRACT:
The invention concerns the use of at least one diol and/or of at least one trial as a an additive to dimethylsulfoxide (DMSO®) in order to lower the crystallization point of same. The DMSO formulation is used in combination with the aforementioned additive as a paint-stripping composition, a surface-cleaning composition, a graffiti-cleaning composition, a surface-cleaning composition in the microelectronics field as a photoresist stripping agent, a DMSO-based agrochemical composition or as a constituent of an aforementioned composition, as a solvent for dissolving polymers, or as a constituent of a composition that is usable in the field of cosmetology or pharmacy.

REFERENCES:
patent: 4395479 (1983-07-01), Ward et al.
patent: 4401747 (1983-08-01), Ward et al.
patent: 4401748 (1983-08-01), Ward et al.
patent: 5798323 (1998-08-01), Honda et al.
patent: 6103682 (2000-08-01), Lallier
patent: 6414194 (2002-07-01), Bloom et al.
patent: 6635604 (2003-10-01), Halliday et al.
patent: 2001/0034313 (2001-10-01), Honda et al.
patent: 2008/0200383 (2008-08-01), Jennings et al.
patent: 2010/0035784 (2010-02-01), Lallier et al.
patent: 2299812 (1996-10-01), None
patent: 1986308848 (1988-07-01), None
patent: 64-42653 (1989-02-01), None
patent: WO 03/048393 (2003-06-01), None
“Nouveaux decapants peintures a base de DMSO”, Lallier, J-P., Double Liaison-Physique et Chimie des Peintures et Adhesifs. No. 467-468, 1995.
“Stability of the Amorphus State in the System Water-Glycerol-Dimethylsulfoxide”, Boutron, P. et al., Cryobiology 15(1), 93-108 (1978).

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