Transparent and antistatic pmma composition

US2022298350A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2022298350-A1
Application numberUS-202117453542-A
CountryUS
Kind codeA1
Filing dateNov 4, 2021
Priority dateApr 10, 2013
Publication dateSep 22, 2022
Grant date

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A transparent antistatic composition based on polymethyl methacrylate (PMMA), including: 55% to 99.9% by weight of PMMA, and 0.1% to 45% by weight of at least one polyamide (PA) block-containing and polyether (PE) block-containing copolymer (PEBA) comprising polyethylene glycol (PEG), with respect to the total composition weight, the copolymer includes in the range 50% to 80% by weight of PEG with respect to the total weight of copolymer.

First claim

Opening claim text (preview).

1 . A transparent antistatic composition based on polymethyl methacrylate (PMMA), comprising: 55% to 99.9% by weight of PMMA, and 0.1% to 45% by weight of at least one polyamide (PA) block-containing and polyether (PE) block-containing copolymer (PEBA) comprising polyethylene glycol (PEG), with respect to the total composition weight, said copolymer being characterized in that it comprises in the range between 50% to 80% by weight of PEG with respect to the total weight of copolymer. 2 - 19 . (canceled)

Assignees

Inventors

Classifications

  • Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain (of polyhydrazides C08L79/06; of polyamideimides or polyamide acids C08L79/08); Compositions of derivatives of such polymers · CPC title

  • Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers · CPC title

  • Compositions of polyethers obtained by reactions forming an ether link in the main chain (of polyacetals C08L59/00; of epoxy resins C08L63/00; of polythioether-ethers C08L81/02; of polyether-sulfones C08L81/06); Compositions of derivatives of such polymers · CPC title

  • C08L33/12Primary

    Homopolymers or copolymers of methyl methacrylate · CPC title

  • Anti-static materials · CPC title

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What does patent US2022298350A1 cover?
A transparent antistatic composition based on polymethyl methacrylate (PMMA), including: 55% to 99.9% by weight of PMMA, and 0.1% to 45% by weight of at least one polyamide (PA) block-containing and polyether (PE) block-containing copolymer (PEBA) comprising polyethylene glycol (PEG), with respect to the total composition weight, the copolymer includes in the range 50% to 80% by weight of PEG w…
Who is the assignee on this patent?
Arkema France
What technology area does this patent fall under?
Primary CPC classification C08L33/12. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Thu Sep 22 2022 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).