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US-2024101730-A1 · Mar 28, 2024 · US
Method for producing polytetrafluoroethylene powder
US2021388126A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2021388126-A1 |
| Application number | US-201816957288-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 25, 2018 |
| Priority date | Dec 25, 2017 |
| Publication date | Dec 16, 2021 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A method for producing a polytetrafluoroethylene powder, which includes applying an ultrasonic wave to a polytetrafluoroethylene aqueous dispersion containing polytetrafluoroethylene particles to coagulate the polytetrafluoroethylene particles.
First claim
Opening claim text (preview).
1 . A method for producing a polytetrafluoroethylene powder, comprising: applying an ultrasonic wave to a polytetrafluoroethylene aqueous dispersion containing a polytetrafluoroethylene particle to coagulate the polytetrafluoroethylene particle. 2 . The production method according to claim 1 , wherein the polytetrafluoroethylene aqueous dispersion is obtained by polymerizing tetrafluoroethylene in an aqueous medium in the presence of a hydrocarbon surfactant.
Assignees
Inventors
Classifications
Fuel cells · CPC title
anionic · CPC title
Homopolymers or copolymers of tetrafluoroethylene · CPC title
- C08F14/26Primary
Tetrafluoroethene · CPC title
Coagulation · CPC title
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Frequently asked questions
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- What does patent US2021388126A1 cover?
- A method for producing a polytetrafluoroethylene powder, which includes applying an ultrasonic wave to a polytetrafluoroethylene aqueous dispersion containing polytetrafluoroethylene particles to coagulate the polytetrafluoroethylene particles.
- Who is the assignee on this patent?
- Daikin Ind Ltd
- What technology area does this patent fall under?
- Primary CPC classification C08F14/26. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Dec 16 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). 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).