Laundry pre-spotter comp. providing improved oily soil removal
US4909962A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 13, 1989 |
| Grant date | Mar 20, 1990 |
| Priority date | — |
| Expiry date | Apr 13, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/18
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A clear, single phase, pre-spotting composition is provided in the form of a microemulsion, solution, or gel and which comprises, by weight: PA0 (a) from about 10 to 70% of an organic solvent comprising one or more alkanes having from 10 to 18 carbon atoms; PA0 (b) from about 4 to 60% of one or more nonionic surfactants comprising the condensation product of an aliphatic primary or secondary alcohol having from 9 to 16 carbon atoms with from 1 to 7 moles of ethylene oxide per mole of said alcohol; PA0 (c) from about 0 to 50% of a supplementary nonionic surfactant comprising an amine oxide or an alkyl phenol ethoxylate, the total amount of nonionic surfactants in the pre-spotting composition being no greater than about 60%; PA0 (d) from about 0 to 20%, of a co-surfactant comprising an aliphatic primary or secondary alcohol having from 10 to 18 carbon atoms; PA0 (e) from about 0 to 10% of a polar organic co-solvent; PA0 (f) from about 1 to 80% water, the respective percentages of each component of the composition being such as to form a clear, single-phase pre-spotting composition which is further characterized by being infinitely dilutable with water without concomitant phase separa…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.