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Adhesive composition for labels, method for preparing adhesive composition, adhesive sheet including adhesive composition, and article including adhesive sheet
US12305091B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12305091-B2 |
| Application number | US-201917253588-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 30, 2019 |
| Priority date | Aug 31, 2018 |
| Publication date | May 20, 2025 |
| Grant date | May 20, 2025 |
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- Title
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Abstract
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Provided is an adhesive composition for labels, including a salt of lysine and citric acid, and chitosan, a method of preparing the adhesive composition, an adhesive sheet including the adhesive composition, and an article including the adhesive sheet.
First claim
Opening claim text (preview).
The invention claimed is: 1. An adhesive composition for labels, comprising: a salt of lysine and citric acid; and chitosan. 2. The adhesive composition of claim 1 , wherein a mixing molar ratio of the lysine and the citric acid is 1:1 to 1:7. 3. The adhesive composition of claim 1 , wherein a content of the salt of the lysine and the citric acid is 70 parts by weight or less based on 100 parts by weight of the adhesive composition. 4. The adhesive composition of claim 1 , wherein a content of the chitosan is 8 parts by weight or less based on 100 parts by weight of the adhesive composition. 5. The adhesive composition of claim 1 , wherein the adhesive composition has a viscosity of 20,000 mPa·s or more. 6. The adhesive composition of claim 1 , wherein the adhesive composition has an initial tack of 3.0 mJ or more. 7. The adhesive composition of claim 1 , wherein precipitates are not formed in the adhesive composition when the adhesive composition is stored at a temperature of −18° C. to 45° C. for 14 days or more. 8. An adhesive sheet, comprising: a first substrate; and an adhesive layer disposed on one surface of the first substrate, wherein the adhesive layer includes the adhesive composition of claim 1 . 9. An article, comprising: a second substrate; and the adhesive sheet of claim 8 disposed on the second substrate.
Assignees
Inventors
Classifications
Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof · CPC title
Presence of polysaccharides · CPC title
as a label · CPC title
organic · CPC title
Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers · CPC title
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Frequently asked questions
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- What does patent US12305091B2 cover?
- Provided is an adhesive composition for labels, including a salt of lysine and citric acid, and chitosan, a method of preparing the adhesive composition, an adhesive sheet including the adhesive composition, and an article including the adhesive sheet.
- Who is the assignee on this patent?
- Cj Cheiljedang Corp
- What technology area does this patent fall under?
- Primary CPC classification C09J7/38. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue May 20 2025 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 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).