WO2024193932 - INKS FOR IMPROVING PRINTHEAD LIFETIME
National phase entry:
Publication Number
WO/2024/193932
Publication Date
26.09.2024
International Application No.
PCT/EP2024/054327
International Filing Date
20.02.2024
Title **
[English]
INKS FOR IMPROVING PRINTHEAD LIFETIME
[French]
ENCRES POUR AMÉLIORER LA DURÉE DE VIE DE TÊTES D'IMPRESSION
Applicants **
MEMJET TECHNOLOGY LIMITED
Inventors
MUNTON, Ellaine
BLAKE, Iain
Priority Data
63/491,814
23.03.2023
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 |
|
* 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 | 2032 | |
| EPO | Filing, Examination, Granting | 8253 | |
| Japan | Filing, Examination, Granting | 2214 | |
| South Korea | Filing, Examination, Granting | 2103 | |
| USA | Filing, Examination, Granting | 4740 |

Total:
19,342
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
An inkjet ink includes an aqueous-based ink vehicle and 5 to 250 ppm of a polyvinyl alcohol. The ink is useful for improving the lifetime of inkjet printheads, especially printheads with inkjet nozzle devices having resistive heater elements susceptible to failure by corrosion.[French]
L'invention concerne une encre pour jet d'encre qui comprend un véhicule d'encre à base aqueuse et 5 à 250 ppm d'un alcool polyvinylique. L'encre est utile pour améliorer la durée de vie des têtes d'impression à jet d'encre, en particulier des têtes d'impression avec des dispositifs de buse à jet d'encre ayant des éléments chauffants résistifs sujets aux défaillances par corrosion.