Patent · US Active

Carboxy ester ketal removal compositions, methods of manufacture, and uses thereof

US8828917B2 · kind B2 · utility

7Cited by
36References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 12, 2011
Grant dateSep 9, 2014
Priority date
Expiry dateJan 24, 2032

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23G5/032
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A removal composition is described, having a plurality of abrasive particles, an organic amine, antioxidant, biocide, colorant, corrosion inhibitor, cosolvent, defoamer, dye, enzyme, light stabilizer, odor masking agent, plasticizer, preservative, rust inhibitor, surfactant, thickener, or a combination comprising at least one of the foregoing; from 0 to 1% water, based on the total weight of the removal composition; and a ketal adduct of formula (1)wherein R1 is C1-6 alkyl, R2 is hydrogen or C1-3 alkyl, each R3, R4, and R5 is independently hydrogen or C1-6 alkyl, R6 and R7 are each independently hydrogen or C1-6 alkyl, a=0-3, and b=0-1.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.