C11D3/2072

Cleaning formulations for removing residues on surfaces

This disclosure relates to a cleaning composition that contains 1) at least one chelating agent, the chelating agent being a polyaminopolycarboxylic acid; 2) at least one organic solvent selected from the group consisting of water soluble alcohols, water soluble ketones, water soluble esters, and water soluble ethers; 3) at least one monocarboxylic acid containing a primary or secondary amino group and at least one additional basic group containing nitrogen; 4) at least one metal corrosion inhibitor, the metal corrosion inhibitor being a substituted or unsubstituted benzotriazole; and 5) water. This disclosure also relates to a method of using the above composition for cleaning a semiconductor substrate.

Cleaner for grease rejuvenation and method of maintaining bearings, bushings, linkage pins, and chains

A cleaner and method for maintaining bearings, bushings, linkage pins and chains used in various types of machinery, including industrial machinery is disclosed. The cleaner is effective to rejuvenate spent grease and includes a polar fraction, a miscible non-polar fraction, and a non-ionic surface activating agent.

CLEANING SOLVENT COMPOSITIONS EXHIBITING AZEOTROPE-LIKE BEHAVIOR AND THEIR USE
20220056368 · 2022-02-24 · ·

An azeotropic cleaning solvent composition has from about 96 to about 98 weight percent 1,1,1,3,3,3-hexafluoro-2-methoxypropane (“HFMOP”) and from about 2 to about 4 weight percent acetone, for example, about 97 weight percent HFMOP and about 3 weight percent acetone. Another composition of the invention has a weight ratio of HFMOP to acetone of about 24 to about 99, for example, about 24 to 49. Conventional additives such as surfactants, lubricants and co-solvents may be present in an amount not to exceed about 10 weight percent of the composition. A method of the invention comprises contacting an article of manufacture with the solvent composition in order to clean the article of manufacture and then removing the solvent composition from the article of manufacture.

Felt conditioner and cleaner

A method of cleaning or conditioning a paper-making press felt or other substrate is described. The method includes treating the paper-making press felt or other substrate with a formulation that contains at least solketal.

Perfume systems

The present application relates to perfume raw materials, perfume delivery systems and consumer products comprising such perfume raw materials and/or such perfume delivery systems, as well as processes for making and using such perfume raw materials, perfume delivery systems and consumer products. Such perfume raw materials and compositions, including the delivery systems, disclosed herein expand the perfume communities' options as such perfume raw materials can provide variations on character and such compositions can provide desired odor profiles.

PROCESS FOR THE REMOVAL OF CHROMIUM CONTAMINANTS FROM RUTHENIUM SPUTTERING TARGET SUBSTRATES
20170226628 · 2017-08-10 ·

The present invention provides a process for the removal of chromium contaminants on a spent ruthenium sputtering target used in Plasma Vapor Deposition by the steps of grit abrasion, organic solvent cleaning, and being subjected to an electric field in an acidic bath including a surfactant, and followed by subsequent water and air rinse and further grit abrasion. Removal of the contaminants is verified by spectroscopy.

NATURAL VANILLIN COMPOSITIONS
20220264922 · 2022-08-25 ·

The present invention relates to natural vanillin compositions comprising at least one compound chosen from 4-((4-hydroxy-3-methoxybenzyl)oxy)-3-methoxybenzaldehyde and 4-hydroxy-3-(4-hydroxy-3-methoxybenzyl)-5-methoxybenzaldehyde. The invention also relates to a process for obtaining natural vanillin compositions according to the invention.

Substituted butanol derivatives and their use as fragrance and flavor materials

The present invention is related to substituted butanol derivatives of the formula: ##STR00001##
wherein R is an unsubstituted or substituted C.sub.1-6 straight chain alkyl, an unsubstituted or substituted C.sub.3-6 branched chain alkyl, an unsubstituted or substituted C.sub.3-6 straight chain alkenyl, an unsubstituted or substituted C.sub.3-6 branched chain alkenyl, an unsubstituted or substituted C.sub.3-6 cycloalkyl, an unsubstituted or substituted C.sub.1-6 alkoxy, nitrile, halo, amino, an unsubstituted or substituted C.sub.1-6 alkylamino, an unsubstituted or substituted C.sub.1-6 dialkylamino, carboxy-C.sub.1-6 alkylamino, carboxy-C.sub.1-6 dialkylamino, an unsubstituted or substituted acetoxy, carboxy, an unsubstituted or substituted carboxyethyl, an unsubstituted or substituted C.sub.1-6 alkylcarbonyl, an unsubstituted or substituted C.sub.1-6 alkylcarboxy, an unsubstituted or substituted C.sub.1-6 alkylthio, an unsubstituted or substituted C.sub.1-6 alkyloxy, carboxamido, an unsubstituted or substituted C.sub.1-6 alkylcarboxamido or an unsubstituted or substituted C.sub.1-6 dialkylcarboxamido. Such compounds are useful in flavor or flavor compositions.

Compositions including keto-ester compounds and methods of using the same
11370996 · 2022-06-28 · ·

Compositions that include at least one low molecular weight to oxygen containing solvent and one or more compounds of formula (I) wherein R is a C.sub.1-C.sub.6 alkyl; X is a C.sub.1-C.sub.10 alkyl and n is an integer from 0 to 5. Methods of removing polymeric material containing heteroatoms from a surface by contacting the surface with such compositions and wiping the composition at least some portion of the polymeric material from the surface. ##STR00001##

COMPOSITION FOR CLEANING AND ASSESSING CLEANLINESS IN REAL-TIME

This disclosure describes a composition which can provide real-time feedback during medical device cleaning or reprocessing. The composition can be used to monitor the amount of biological material cleaned from medical devices and to determine when cleaning is complete. The disclosure also relates to a method of cleaning, or assessing the cleanliness of, a medical device such as an endoscope. Cleanliness can be assessed by contacting the medical device with the composition, shining an excitation light on the composition, and measuring intensity of resulting fluorescence over time.