WO2023248071 - POLYESTERS
National phase entry is expected:
Publication Number
WO/2023/248071
Publication Date
28.12.2023
International Application No.
PCT/IB2023/056217
International Filing Date
15.06.2023
Title **
[English]
POLYESTERS
[French]
POLYESTERS
Applicants **
AVIENT CORPORATION
Inventors
CHUNG, Cheekeong
CHIU, ChihKai "Sting"
HO, ChengYou "Kent"
KAO, YuHsiang "Darren"
HUNG, HuanYu "Rain"
Priority Data
63/354,964
23.06.2022
US
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
| * | |
| Number of Office Actions | * |
| * | |
International Searching Authority |
EPO
* |
| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
* |
| Type of Assignment |
The Standard Agent's Assignment
* |
| Applicant's Legal Status |
Legal Entity
* |
| * | |
| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
* |
| Patent Delivery |
Send the Letters Patent by Courier
* |
| Translation |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2506 | |
| EPO | Filing, Examination, Granting | 17117 | |
| Japan | Filing, Examination, Granting | 2721 | |
| South Korea | Filing, Examination, Granting | 3318 | |
| USA | Filing, Examination, Granting | 8740 |
Total:
34,402
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
A composition for use in producing a dyeable polyester comprises a sulfopolyester which includes a monosodium-5-sulfoisophthalate repeat unit and a carrier polymer which is virgin or recycled polyethylene terephthalate (PET) based polyester or polybutylene terephthalate (PBT) based polyester. The composition may be mixed with bulk polyester, extruded and spun to produce a fibre which can be dyed using a cationic dye.[French]
L'invention concerne une composition destinée à être utilisée dans la production d'un polyester pouvant être teint, qui comprend un sulfopolyester qui comprend une unité de répétition de monosodium-5-sulfoisophtalate et un polymère de support qui est un polyester à base de poly(téréphtalate de butylène) (PBT) ou polyester à base de poly(téréphtalate d'éthylène) (PET) vierge ou recyclé. La composition peut être mélangée avec du polyester en vrac, extrudée et filée pour produire une fibre qui peut être teinte à l'aide d'un colorant cationique.