Oxidation inhibitor
US4381251A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1977 |
| Grant date | Apr 26, 1983 |
| Priority date | — |
| Expiry date | Jun 21, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B45/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An oxidation inhibitor comprising; PA1 (A) 10 to 200 parts by weight of at least one selected from the group consisting of PA2 Silica powder PA2 Kaoline PA2 Magnesia powder PA2 MgO-Cr.sub.2 O.sub.3 refractories PA2 Mg-SiO.sub.2 refractories, and PA2 Mica PA1 (B) 10 to 200 parts by weight of silicic anhydride (SiO.sub.2), PA1 (C) 10 to 200 parts by weight of at least one selected from the group consisting of Cr, Al, Ti, Nb, Ni and Cu in the powder form, PA1 (D) 5 to 50 parts by weight of at least one selected from the group consisting of colloidal silica and alumina sol, and PA1 (E) 1 to 20 parts by weight of water-soluble resin, wherein the ratio of the metal powder to the total solid components is within a range defined by the following formula: ##EQU1## (the total solid components is the sum of (A)+(B)+(C)+(solid component of D)+(E)).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.