Composition for cleaning drains clogged with deposits containing hair
US4540506A · kind A · utility
28Cited by
15References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 1983 |
| Grant date | Sep 10, 1985 |
| Priority date | — |
| Expiry date | Apr 15, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3427
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition for disintegrating hair which comprises a hair-disintegrating amount of a mixture of a proteolytic enzyme and a disulfide reducing agent, and maintained at a pH that enhances hair denaturation, and a method for clearing pipe clogged with a hair-containing deposit are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.