Ink refill container
US-2024383254-A1 · Nov 21, 2024 · US
Ink cartridge and method of replenishing ink cartridge
US8979255B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8979255-B2 |
| Application number | US-201313765776-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 13, 2013 |
| Priority date | Mar 14, 2012 |
| Publication date | Mar 17, 2015 |
| Grant date | Mar 17, 2015 |
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Abstract
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An ink cartridge including a holding member and an ink bag to accommodate ink, wherein the ink cartridge is replenished with pigment ink having a pH higher than a pH of residual ink remaining in the ink cartridge.
First claim
Opening claim text (preview).
What is claimed is: 1. An ink cartridge comprising: a holding member; and an ink bag to accommodate ink; wherein the ink bag is connected to the holding member; wherein the ink cartridge is replenished with pigment ink having a pH higher than a pH of residual ink remaining in the ink cartridge; and wherein the residual ink remaining in the ink cartridge is pigment ink. 2. The ink cartridge according to claim 1 , wherein the pigment ink comprises a pigm…
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Chemistry & Metallurgy · mapped topic
- B41J2/17506Primary
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US8979255B2 cover?
- An ink cartridge including a holding member and an ink bag to accommodate ink, wherein the ink cartridge is replenished with pigment ink having a pH higher than a pH of residual ink remaining in the ink cartridge.
- Who is the assignee on this patent?
- Bannai Akiko, Inoue Tomohiro, Ricoh Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification B41J2/17506. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 17 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).