C11D7/3281

COMPOSITION FOR CLEANING GASOLINE ENGINE FUEL DELIVERY SYSTEMS, AIR INTAKE SYSTEMS, AND COMBUSTION CHAMBERS

A cleaning composition, which is suitable for cleaning fuel delivery systems, air-intake systems, intake valves, and combustion chambers, includes at least 3 wt. % of a polyether component, at least 5 wt. % of a polar solvent, and at least 5 wt. % a non-polar solvent. The polyether component is selected from polyethers, polyetheramines, and mixtures thereof.

TREATMENT LIQUID AND SUBSTRATE WASHING METHOD
20230212485 · 2023-07-06 · ·

An object of the present invention is to provide a treatment liquid for a semiconductor device, which is excellent in removal performance for residues present on a substrate, and to provide a substrate washing method using the treatment liquid.

The treatment liquid of the present invention is a treatment liquid for a semiconductor device, which includes water, a basic compound, hexylene glycol, and a compound A that is at least one kind selected from the group consisting of isobutene, (E)-2-methyl-1,3-pentadiene, 4-methyl-1,3-pentadiene, 2,2,4-trimethyloxetane, 4-methyl-3-penten-2-ol, and 2,4,4,6-tetramethyl-1,3-dioxane.

Cleaning liquid composition and method for cleaning polymerization apparatus using same
11549084 · 2023-01-10 · ·

A cleaning liquid composition is provided. More particularly, a cleaning liquid composition includes a transition metal compound represented by Chemical Formula 1 (see the detailed description of the present invention); and a hydrocarbon-based solvent, and a cleaning method of a polymerization apparatus using the same.

Solvent composition and process for removal of asphalt and other contaminant materials

A method and composition for removing contaminant material from industrial equipment are disclosed herein. The method includes providing a solvent composition having methyl soyate, N-methylpyrrolidinone, an additional solvent, and a cationic surfactant. The method also includes contacting the contaminant material with the solvent composition and allowing the solvent composition to react with the contaminant material such that at least a portion of the contaminant material is no longer attached to the industrial equipment.

Hydrolytically labile heterocycles of odoriferous ketones or odoriferous aldehydes

Heterocycles having odoriferous ketone or odoriferous aldehyde groups may be suitable in compositions comprising washing agents, cleaning agents, cosmetic agents, air care agents, insect repellents, or combinations thereof where the heterocycles release the ketones and aldehydes during hydrolysis. The heterocycle(s) may have the formula: ##STR00001##

PHOTORESIST STRIPPER COMPOSITION FOR MANUFACTURING DISPLAY

The present invention relates to a photoresist stripper composition for manufacturing a display, and more particularly, to an integrated photoresist stripper composition which can be used in every process for manufacturing a display. More specifically, the photoresist stripper composition for manufacturing a display according to the present invention can be applied to all of transition metals and oxide semiconductor wirings, and has an excellent ability to remove modified photoresist after a hard bake process, and implant process, and a dry etch process have been performed. In particular, the photoresist stripper composition for manufacturing a display according to the present invention exhibits a corrosion inhibitory effect that has been further specialized for copper (Cu) wiring pattern edge portions which are susceptible to corrosion following dry-etching.

CLEANING AGENT AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
20230095013 · 2023-03-30 ·

According to one embodiment, there is provided a cleaning agent. The cleaning agent includes an azole-based compound having a group including at least one selected from the group consisting of a glycidyl group, a hydrolyzable silyl group, and an amino group.

Composition having suppressed alumina damage and production method for semiconductor substrate using same

The present invention pertains to: a composition capable of removing dry etching residue present on the surface of a semiconductor integrated circuit, while suppressing alumina damage in a production process for the semiconductor integrated circuit; a cleaning method for semiconductor substrates that use alumina; and a production method for a semiconductor substrate having an alumina layer. This composition is characterized by containing 0.00005%-1% by mass of a barium compound (A) and 0.01%-20% by mass of a fluorine compound (B) and having a pH of 2.5-8.0.

METHOD FOR CLEANING SEMICONDUCTOR SUBSTRATE, METHOD FOR PRODUCING PROCESSED SEMICONDUCTOR SUBSTRATE, AND STRIPPING COMPOSITION

A semiconductor substrate cleaning method including removing an adhesive layer provided on a semiconductor substrate by use of a remover composition, wherein the remover composition contains a solvent but no salt; and the solvent includes an organic solvent represented by any of formulae (L0) to (L4).

Cleaning liquid, cleaning method, and method for producing semiconductor wafer

The present invention relates to a cleaning liquid containing a component (A): a compound represented by the following formula (1), component (B): alkylamine, component (C): polycarboxylic acid, and component (D): ascorbic acid, in which a mass ratio of the component (A) to a total mass of the component (B) and the component (C) is 1 to 15, and in the formula (1), R.sup.1, R.sup.2, and R.sup.3 each have a definition same as the definition described in the description, ##STR00001##