Who is the assignee on this patent?

Saint Gobain Isover, Saint Gobain Seva

What technology area does this patent fall under?

Primary CPC classification C22C19/055. Mapped technology areas include Chemistry & Metallurgy.

When was this patent published?

Publication date Tue Jun 06 2023 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).

Alloy for fiber-forming plate

Patent metadata
Field	Value
Publication number	US-11667993-B2
Application number	US-202217900136-A
Country	US
Kind code	B2
Filing date	Aug 31, 2022
Priority date	Sep 13, 2018
Publication date	Jun 6, 2023
Grant date	Jun 6, 2023

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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
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First independent claim
The legal scope of protection — read this for what is actually claimed.
CPC / IPC classifications
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Citations and related patents
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Abstract

Official abstract text for this publication.

An alloy contains the following elements, the proportions being indicated as percentage by weight of the alloy (limit values included) Cr 20 to 35%, Fe 1 to 6%, W 3 to 8%, Nb 0.5 to 3%, Ti 0 to 1%, C 0.4 to 1%, Co 0 to 3%, Si 0.1 to 1.5%, Mn 0.1 to 1%, the remainder consisting of nickel and unavoidable impurities, wherein a (Nb+Ti)/C weight ratio is between 1 to 2.4.

First claim

Opening claim text (preview).

The invention claimed is: 1. An alloy, that contains the following elements, the proportions being indicated as percentage by weight of the alloy (limit values included): Cr 20 to 35% Fe 1 to 6% W 3 to 8% Nb 0.5 to 3% Ti 0 to 1% C 0.4 to 1% Co 0 to 3% Si 0.1 to 1.5% Mn 0.1 to 1% the remainder consisting of nickel and unavoidable impurities, wherein a (Nb+Ti)/C weight ratio is between 1 and 2.4. 2. The alloy as claimed in claim 1 , containing less than 0.5% by weight of Ti. 3. The alloy as claimed in claim 2 , containing less than 0.4% by weight of Ti. 4. The alloy as claimed in claim 1 , containing between 0.6% and 0.9% by weight of carbon. 5. The alloy as claimed in claim 4 , containing between 0.6 and 0.7% by weight of carbon. 6. The alloy as claimed in claim 1 , wherein the (Nb+Ti)/C ratio is from 1 to 2. 7. The alloy as claimed in claim 6 , wherein the (Nb+Ti)/C ratio is from 1. 5 to 2. 8. The alloy as claimed in claim 1 , containing between 22 and 32% by weight of chromium. 9. The alloy as claimed in claim 8 , containing between 28 and 30% by weight of chromium. 10. The alloy as claimed in claim 1 , containing between 3 and 4% by weight of iron. 11. The alloy as claimed in claim 1 , containing between 4 and 6% by weight of iron. 12. The alloy as claimed in claim 1 , containing from 0.6 to 2.0% by weight of niobium. 13. The alloy as claimed in claim 12 , containing from 0.8 to 1.2% by weight of niobium. 14. The alloy as claimed in claim 1 , containing between 4 and 7% by weight of tungsten. 15. The alloy as claimed in claim 14 , containing between 5 and 6% by weight of tungsten. 16. The alloy as claimed in claim 1 , containing less than 2% by weight of cobalt. 17. The alloy as claimed in claim 16 , containing less than 1% by weight of cobalt. 18. The alloy as claimed in claim 1 , containing between 55% and 65% by weight of nickel. 19. The alloy as claimed in claim 18 , containing between 56 and 62% of nickel. 20. The alloy as claimed in claim 1 , containing less than 1.1% by weight of silicon. 21. The alloy as claimed in claim 1 , wherein the alloy comprises niobium carbides and titanium carbides.

Assignees

Inventors

Classifications

C03B37/047
Selection of materials for the spinner cups · CPC title
C22C49/14
characterised by the fibres or filaments · CPC title
C22C19/055Primary
with the maximum Cr content being at least 20% but less than 30% · CPC title
C22C19/053Primary
with the maximum Cr content being at least 30% but less than 40% · CPC title
C22C19/05Primary
with chromium · CPC title

Patent family

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View patent family 65201403

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Frequently asked questions

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What does patent US11667993B2 cover?: An alloy contains the following elements, the proportions being indicated as percentage by weight of the alloy (limit values included) Cr 20 to 35%, Fe 1 to 6%, W 3 to 8%, Nb 0.5 to 3%, Ti 0 to 1%, C 0.4 to 1%, Co 0 to 3%, Si 0.1 to 1.5%, Mn 0.1 to 1%, the remainder consisting of nickel and unavoidable impurities, wherein a (Nb+Ti)/C weight ratio is between 1 to 2.4.
Who is the assignee on this patent?: Saint Gobain Isover, Saint Gobain Seva
What technology area does this patent fall under?: Primary CPC classification C22C19/055. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?: Publication date Tue Jun 06 2023 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).