Honeycomb catalyst body
US-9347357-B2 · May 24, 2016 · US
Method for producing porous body
US11048836B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11048836-B2 |
| Application number | US-201815983478-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 18, 2018 |
| Priority date | Mar 31, 2014 |
| Publication date | Jun 29, 2021 |
| Grant date | Jun 29, 2021 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
A method for producing a porous body, comprising a raw-material mixing step of mixing talc having an average particle size of 1 μm or more and 18 μm or less, alumina, an auxiliary raw material containing a material that undergoes a eutectic reaction with talc and being prepared in an amount so as to satisfy a weight ratio of 0.5% or more and 1.5% or less by weight relative to the talc, and a pore-forming agent, to provide green body, and a molding and firing step of molding the green body to provide a compact and firing this compact at a firing temperature of 1350° C. to 1440° C.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for producing a porous body, comprising: a raw-material mixing step of mixing talc having an average particle size of 1 μm or more and 18 μm or less, alumina, an auxiliary raw material containing a material that undergoes a eutectic reaction with talc and being prepared in an amount so as to satisfy a weight ratio of 0.5% or more and 1.0% or less by weight relative to the talc, and a pore-forming agent, to provide green body; and a molding and firing step of molding the green body to provide a compact and firing this compact at a firing temperature of 1350° C. to 1440° C. ; and wherein the auxiliary raw material is at least one selected from zirconium oxide, cerium oxide, and yttrium oxide. 2. The method for producing a porous body according to claim 1 , wherein the talc has an average particle size of 5 μm or more and 12 μm or less. 3. The method for producing a porous body according to claim 1 , wherein the firing temperature is 1410° C. to 1430° C.
Assignees
Inventors
Classifications
- B01D46/2498Primary
The honeycomb filter being defined by mathematical relationships · CPC title
as catalysts or catalyst carriers · CPC title
Alkaline earth aluminosilicates, e.g. cordierite {or anorthite} · CPC title
- G06F30/20Primary
Design optimisation, verification or simulation (optimisation, verification or simulation of circuit designs G06F30/30) · CPC title
Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US11048836B2 cover?
- A method for producing a porous body, comprising a raw-material mixing step of mixing talc having an average particle size of 1 μm or more and 18 μm or less, alumina, an auxiliary raw material containing a material that undergoes a eutectic reaction with talc and being prepared in an amount so as to satisfy a weight ratio of 0.5% or more and 1.5% or less by weight relative to the talc, and a po…
- Who is the assignee on this patent?
- Ngk Insulators Ltd
- What technology area does this patent fall under?
- Primary CPC classification B01D46/2498. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Jun 29 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).