Small particle size hypophosphite telomers of unsaturated carboxylic acids
US-9499642-B2 · Nov 22, 2016 · US
Polymethacrylic acid anhydride telomers
US9045575B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9045575-B2 |
| Application number | US-201214356969-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 6, 2012 |
| Priority date | Nov 11, 2011 |
| Publication date | Jun 2, 2015 |
| Grant date | Jun 2, 2015 |
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.
The present invention provides hypophosphite (co)telomers of methacrylic anhydride having a weight average molecular weight of from 1,000 to 20,000, and having, on average, at least one phosphorus atom bound to two carbon atoms, and at least one carboxylic acid or salt group.
First claim
Opening claim text (preview).
We claim: 1. A polymer composition comprising a hypophosphite (co)telomer of methacrylic anhydride having a weight average molecular weight ranging from 1,000 to 20,000 and having methacrylic anhydride and methacrylic acid or salt groups, wherein the hypophosphite can be in the form of a salt. 2. The polymer composition as claimed in claim 1 , wherein the weight average molecular weight ranges from 2,000 to 15,000. 3. The polymer composition…
Assignees
Inventors
Classifications
Chemistry & Metallurgy · mapped topic
- C08F220/08Primary
Chemistry & Metallurgy · mapped topic
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 US9045575B2 cover?
- The present invention provides hypophosphite (co)telomers of methacrylic anhydride having a weight average molecular weight of from 1,000 to 20,000, and having, on average, at least one phosphorus atom bound to two carbon atoms, and at least one carboxylic acid or salt group.
- Who is the assignee on this patent?
- Rohm & Haas
- What technology area does this patent fall under?
- Primary CPC classification C08F220/08. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jun 02 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).