# US 4,394,298 A · Hydrogenation catalyst

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 4,394,298 A
- Document ID: US4394298A
- Status: Granted
- Kind: A
- Application number: 06/289,350
- Filed: 1981-08-03
- Granted: 1983-07-19
- Earliest claimed: 1980-01-10
- Assignees: Phillips Petroleum Company
- Inventors: Gerhard P. Nowack; Marvin M. Johnson; Donald C. Tabler
- Web page: https://patentgrep.com/patent/US4394298A

## CPC

- B01J 27/26: Cyanides
- B01J 23/8913: {Cobalt and noble metals}
- B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS

## Abstract

Iron (II) hexacyanocobaltate and ruthenium (III) hexacyanocobaltate have been found to be useful in the catalytic hydrogenation of organic materials.

## Claims

### Claim 1

A hydrogenation catalyst comprising a suitable support and ruthenium (III) hexacyanocobaltate.
