Unshaped refractory material, method of producing a moist unshaped refractory material and method of making a refractory lining
US-2026070847-A1 · Mar 12, 2026 · US
Bituminous composition
US9028602B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9028602-B2 |
| Application number | US-201113580193-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 23, 2011 |
| Priority date | Feb 23, 2010 |
| Publication date | May 12, 2015 |
| Grant date | May 12, 2015 |
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Abstract
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The invention provides a bituminous composition comprising a bitumen in an amount ranging from 20 to 90% wt, a carboxylic additive in an amount of from 0.25 to 5% wt, and sulphur in an amount of 5 to 75% wt, all percentages based on the weight of bitumen, carboxylic additive and sulphur, wherein the carboxylic additive is selected from carboxylic acids, carboxylic esters and carboxylic anhydrides. It further provides a process for making this composition and asphalt compositions comprising such bituminous composition.
First claim
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What is claimed is: 1. A bituminous composition, comprising: a bitumen in an amount ranging from 20 to 90% wt, a carboxylic additive in an amount of from 0.25 to 5% wt, and sulphur in an amount of 5 to 75% wt, all percentages based on the weight of bitumen, carboxylic additive and sulphur, wherein the carboxylic additive is selected from the group consisting of carboxylic compounds of formula RCOOX wherein R is C 8 -C 22 alkyl or alkenyl; and X is H, C 1 -C 22 alkyl, C 1-22 alke…
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- What does patent US9028602B2 cover?
- The invention provides a bituminous composition comprising a bitumen in an amount ranging from 20 to 90% wt, a carboxylic additive in an amount of from 0.25 to 5% wt, and sulphur in an amount of 5 to 75% wt, all percentages based on the weight of bitumen, carboxylic additive and sulphur, wherein the carboxylic additive is selected from carboxylic acids, carboxylic esters and carboxylic anhydrid…
- Who is the assignee on this patent?
- Chughtai Majid Jamshed, Ghosal Anindya Kumar, Lankshear Michael David, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification C04B28/36. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue May 12 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).