Who owns the IP
The organizations most actively patenting around this compound, ranked by referenced patent volume.
| # | Assignee | Patents |
|---|---|---|
| 1 | BASF SE | 7,887 |
| 2 | Henkel AG and Co KGaA | 3,319 |
| 3 | Dow Inc | 2,937 |
| 4 | Fujifilm Holdings Corp | 2,466 |
| 5 | L'Oréal SA | 2,242 |
| 6 | Procter and Gamble Co | 2,085 |
| 7 | 3M Co | 2,031 |
| 8 | Konica Minolta Inc | 1,994 |
| 9 | Halliburton Co | 1,987 |
| 10 | Eastman Kodak Co | 1,176 |
Explore the full landscape
This preview shows the leading assignees. Cypris reveals the full ownership landscape - every filing entity, filing trends, and portfolio momentum.
Visit CyprisWhere innovation is concentrated
Patent classifications ranked by volume reveal the technical domains with the most active filing.
| # | Code | Area | Patents |
|---|---|---|---|
| 1 | C08F | Polymers from C=C unsaturated bonds | 25,023 |
| 2 | C08L | Polymer compositions (blends) | 15,745 |
| 3 | A61K | Medicinal preparations | 14,295 |
| 4 | C09K | Materials for misc. applications | 11,281 |
| 5 | C09D | Coatings, paints, varnishes | 10,930 |
| 6 | A61Q | Cosmetics, personal care | 10,890 |
| 7 | C11D | Detergents, cleaning compositions | 7,345 |
| 8 | C08K | Polymer compositions (additives) | 7,145 |
| 9 | C08J | Working-up of plastics | 6,942 |
| 10 | Y10T | Cross-reference (technical subjects) | 6,047 |
AI mapped opportunity space
This preview shows where patent activity concentrates. Cypris maps the full classification landscape to surface technical whitespace and IP headroom.
See Cypris in actionRepresentative patents
The filings that best characterise the patent activity around this compound, most-referenced first.
| Title | Year | Assignee | Cited by |
|---|---|---|---|
| Synergistic thickener mixtures of amps polymers with other thickeners | 1985 | Henkel AG and Co KGaA | 93 |
| Water-soluble copolymer of acrylamidomethylpropanesulfonic acids salts | 1982 | Sanofi SA | 83 |
| Well cementing method using an AM/AMPS fluid loss additive blend | 1986 | Baker Hughes Co | 82 |
| Cement composition with polymeric latexes prepared in the presence of amps seed | 2002 | Synthomer PLC | 81 |
| AMPS copolymer emulsions with improved stability | 1993 | 51 |
How research activity has moved
Papers published per year for this compound, over the last decade of indexed records.
| Year | Papers |
|---|---|
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Who's driving the science
The most-published authors working with this compound, alongside their primary affiliations.
| # | Author | Affiliation | Papers |
|---|---|---|---|
| 1 | František Švec | Lawrence Berkeley National Laboratory | 5 |
| 2 | Ryo Yoshida | The University of Tokyo | 5 |
| 3 | Benjawan Boonkaew | Children's Medical Research Institute | 4 |
| 4 | Leila Cuttle | Queensland Children’s Medical Research Institute | 4 |
| 5 | Jian Ping Gong | Hokkaido University | 4 |
| 6 | Roy Kimble | Queensland Children’s Medical Research Institute | 4 |
| 7 | María Rosa Aguilar | Instituto de Ciencia y Tecnología de Polímeros | 4 |
| 8 | Julio San Román | Instituto de Ciencia y Tecnología de Polímeros | 4 |
| 9 | Yoko Murase | Dai Nippon Printing (Japan) | 3 |
| 10 | Alï Tuncel | Hacettepe University | 3 |
Research leaders
This preview lists the top authors. Cypris surfaces the full researcher landscape, their affiliations, and how scientific influence is shifting.
See Cypris in actionThe literature that defines it
The most-cited papers anchoring the scientific record for this compound.
| Title | Year | Cited by | Topic |
|---|---|---|---|
| Removal of toxic metal ions with magnetic hydrogels | 2009 | 413 | Adsorption and biosorption for pollutant removal |
| Organic polymer monoliths as stationary phases for capillary HPLC | 2004 | 189 | Microfluidic and Capillary Electrophoresis Applications |
| Molecularly imprinted polymer membranes for substance-selective solid-phase extraction from water by surface photo-grafting polymerization | 2001 | 168 | Analytical chemistry methods development |
| Design of a Mass Transport Surface Utilizing Peristaltic Motion of a Self-Oscillating Gel | 2008 | 148 | Hydrogels: synthesis, properties, applications |
| Antimicrobial efficacy of a novel silver hydrogel dressing compared to two common silver burn wound dressings: Acticoat™ and PolyMem Silver® | 2013 | 134 | Nanoparticles: synthesis and applications |
Frequently asked questions
Common questions about this compound's patent and research landscape, answered from the underlying data.
What is the molecular composition of AMPS?
Which companies hold the most patents involving AMPS?
What are the earliest published patents related to AMPS and their focus areas?
What research topics are associated with AMPS in the academic literature?
What patent technology classifications are most frequently associated with AMPS?