Method of treating surfaces to control bryophytes or lichens using a water soluble tetrakis (hydroxymethyl) phosphonium salt
US4775407A · kind A · utility
2Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1986 |
| Grant date | Oct 4, 1988 |
| Priority date | — |
| Expiry date | Nov 12, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N57/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of treating surfaces colonized or colonizable by bryophites or lichens which comprises applying thereto sufficient of a water soluble tetrakis (hydroxymethyl) phosphonium salt to kill, or inhibit the growth thereon of said bryophytes or lichens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.