Polyoxyalkylene carbozole adduct
US4814462A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Jul 7, 1986 |
| Grant date | Mar 21, 1989 |
| Priority date | — |
| Expiry date | Jul 7, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K23/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A polyoxyalkylene carbazole adduct represented by the following formula I: ##STR1## wherein R stands for at least one member selected from the group consisting of H, CH.sub.3 and C.sub.6 H.sub.5, R' for at least one member selected from the group consisting of CH.sub.3, C.sub.6 H.sub.5 and H, (providing that R' is at least one member selected from the group consisting of CH.sub.3 and C.sub.6 H.sub.5 when R is H, and R is at least one member selected from the group consisting of CH.sub.3 and C.sub.6 H.sub.5 when R' is H), n for an integer of the value of 0 to 500, m for an integer of the value of 0 to 500, and n+m for an integer of the value of 2 to 1000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.