Water-soluble associative amphoteric polymer as a rheology modifier for subterranean treatments
US-2024199939-A1 · Jun 20, 2024 · US
Beta-amino ester gas hydrate inhibitors
US10047273B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10047273-B2 |
| Application number | US-201315111443-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 20, 2013 |
| Priority date | Dec 28, 2012 |
| Publication date | Aug 14, 2018 |
| Grant date | Aug 14, 2018 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
Disclosed herein are beta-amino ester surfactant compounds and compositions useful in applications relating to inhibition of gas hydrate agglomerates in the production, transportation, storage, and separation of crude oil and natural gas. Also disclosed herein are methods of using the compounds and compositions as gas hydrate inhibitors, particularly in applications relating to the production, transportation, storage, and separation of crude oil and natural gas.
First claim
Opening claim text (preview).
What is claimed is: 1. A compound of formula (IV) or (VI), wherein R 1 is unsubstitued alkyl, or unsubstituted alkenyl; R 2 is substituted or unsubstituted alkyl or substituted or unsubstituted alkenyl; R 3 is hydrogen or substituted or unsubstituted alkyl; R 4 is unsubstitued alkyl, or unsubstitued alkenyl; X − is a counterion; m is any one of an integer f…
Assignees
Inventors
Classifications
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US10047273B2 cover?
- Disclosed herein are beta-amino ester surfactant compounds and compositions useful in applications relating to inhibition of gas hydrate agglomerates in the production, transportation, storage, and separation of crude oil and natural gas. Also disclosed herein are methods of using the compounds and compositions as gas hydrate inhibitors, particularly in applications relating to the production, …
- Who is the assignee on this patent?
- Nalco Co, Ecolab Usa Inc
- What technology area does this patent fall under?
- Primary CPC classification C09K8/52. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Aug 14 2018 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).