Tung oil-based non-lapping water-compatible wood stain

US11718763B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11718763-B2
Application numberUS-202117381736-A
CountryUS
Kind codeB2
Filing dateJul 21, 2021
Priority dateSep 30, 2016
Publication dateAug 8, 2023
Grant dateAug 8, 2023

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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.

Water-based stains are based on an oil-in-water emulsion having a binder that includes, consists of, or consists essentially of drying oil combined with a non-aqueous polymer dispersion. The compositions can be tinted using traditional water-based pigment dispersions, yet the overall hydrophobicity results in minimal interaction with the polar cellulosic structure of wood.

First claim

Opening claim text (preview).

What is claimed is: 1. A method of making a wood stain composition, the method comprising the steps of: forming a first mixture by combining drying oil and a non-aqueous polymer dispersion; forming a second mixture by combining water and a surfactant; adding the first mixture to the second mixture to form a third mixture, and mixing the third mixture until a smooth uniform state is achieved. 2. The method of claim 1 , further comprising adding a pigment composition to the third mixture. 3. The method of claim 1 , wherein the non-aqueous polymer dispersion is an alkyd dispersion. 4. The method of claim 1 , wherein the second mixture further comprises a thickener. 5. The method of claim 1 , wherein the second mixture further comprises a defoamer. 6. The method of claim 1 , wherein the second mixture further comprises an amine. 7. The method of claim 1 , wherein the first mixture further comprises at least one drying agent. 8. The method of claim 1 , wherein the first mixture further comprises at least one viscosity reducing agent. 9. The method of claim 1 , wherein the surfactant has a hydrophile-lipophile balance value between 5 and 15. 10. The method of claim 1 , wherein the surfactant is an octylphenol ethoxylate surfactant.

Assignees

Inventors

Classifications

  • Ethers, e.g. polyglycol ethers of alcohols or phenols · CPC title

  • C09D15/00Primary

    Woodstains · CPC title

  • Copolymers of drying oils with other monomers · CPC title

  • Amines; Quaternary ammonium compounds · CPC title

  • Polyalkylene oxides · CPC title

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What does patent US11718763B2 cover?
Water-based stains are based on an oil-in-water emulsion having a binder that includes, consists of, or consists essentially of drying oil combined with a non-aqueous polymer dispersion. The compositions can be tinted using traditional water-based pigment dispersions, yet the overall hydrophobicity results in minimal interaction with the polar cellulosic structure of wood.
Who is the assignee on this patent?
Halstead Joshua, Sherwin Williams Co
What technology area does this patent fall under?
Primary CPC classification C09D15/00. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Aug 08 2023 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 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).