Cleaning composition and method of use
US5145597A · kind A · utility
7Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1991 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Sep 18, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A cleaning composition and a method of using such composition to remove polymeric deposits on mechanical equipment used in producing or processing polymeric materials, comprises an aqueous solution of from about 1% by weight to about 12% by weight of caustic, from about 0.05% by weight to about 3% by weight of a phosphate builder, from about 0.05% by weight to about 3% by weight of a chelating agent, from about 0.1% by weight to about 6% by weight of a solubilizer and from about 1% by weight to about 7% by weight of a nonionic surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.