Polyethylene polypiperazine compositions
US4684729A · kind A · utility
7Cited by
6References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 1986 |
| Grant date | Aug 4, 1987 |
| Priority date | — |
| Expiry date | May 7, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/0273
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention is the process which comprises contacting a reaction mixture comprising between about 1 and 100 percent by weight of a polyethylene-substituted piperazine, a piperazine or mixtures thereof, wherein such compounds contain a primary or secondary nitrogen wherein one of the carbons adjacent to the nitrogen has a hydrogen atom bonded to the carbon atom, and between about 1 and 99 percent of a solvent, with a catalytic amount of palladium on a support, at a temperature of between about 150.degree. C. and 300.degree. C., under condition such that the product so prepared contains polyethylene polypiperazines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.