Who owns the IP
The organizations most actively patenting around this compound, ranked by referenced patent volume.
| # | Assignee | Patents |
|---|---|---|
| 1 | BASF SE | 4,765 |
| 2 | China Petroleum and Chemical Corp | 2,088 |
| 3 | Dow Global Technologies LLC | 1,890 |
| 4 | Henkel AG and Co KGaA | 1,739 |
| 5 | Procter and Gamble Co | 1,332 |
| 6 | Bayer AG | 1,172 |
| 7 | Dow Chemical Co | 1,030 |
| 8 | BASF Corp | 976 |
| 9 | Lyondell Chemical Technology LP | 949 |
| 10 | Evonik Operations GmbH | 877 |
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 | C08G | Polymers from non-vinyl bonds (e.g. polyamides, polyesters) | 32,268 |
| 2 | C08L | Polymer compositions (blends) | 21,550 |
| 3 | C09D | Coatings, paints, varnishes | 11,911 |
| 4 | C08K | Polymer compositions (additives) | 11,889 |
| 5 | A61K | Medicinal preparations | 11,487 |
| 6 | C08F | Polymers from C=C unsaturated bonds | 10,491 |
| 7 | C07D | Heterocyclic compounds | 9,888 |
| 8 | C08J | Working-up of plastics | 8,190 |
| 9 | C07C | Acyclic and carbocyclic compounds | 8,048 |
| 10 | C11D | Detergents, cleaning compositions | 7,311 |
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 actionMost-cited patents
Patents ranked by forward citations reveal the foundational inventions the field continues to build on.
| Title | Year | Assignee | Cited by |
|---|---|---|---|
| Low foaming rinse agents comprising ethylene oxide/propylene oxide block copolymer | 1996 | Ecolab USA Inc | 124 |
| PRODUCTION OF PROPYLENE OXIDE | 1992 | Tosoh Corp | 118 |
| Cosmetic or dermatological preparations based on emulsifiers which are free from ethylene oxide and propylene oxide, for the preparation of microemulsion gels | 2002 | Beiersdorf AG | 113 |
| Process for producing propylene oxide | 1997 | Honeywell UOP LLC | 81 |
| Process for purifying propylene oxide | 2004 | Sumitomo Chemical Co Ltd | 79 |
Where research is gaining momentum
Research themes ranked by publication activity show where scientific interest is accelerating around this compound.
| # | Research topic | Papers |
|---|---|---|
| 1 | Mitochondrial Function and Pathology | 3 |
| 2 | Carbon dioxide utilization in catalysis | 2 |
| 3 | 3D Printing in Biomedical Research | 1 |
| 4 | Acute Kidney Injury Research | 1 |
| 5 | Advanced Drug Delivery Systems | 1 |
| 6 | Aerogels and thermal insulation | 1 |
| 7 | Antimicrobial Peptides and Activities | 1 |
| 8 | Banking stability, regulation, efficiency | 1 |
| 9 | Congenital Heart Disease Studies | 1 |
| 10 | Corneal surgery and disorders | 1 |
Technology trend analysis
Cypris uses AI to connect emerging research themes to IP activity, commercialization signals, and underexplored opportunity areas.
See Cypris in actionWho's driving the science
The most-published authors working with this compound, alongside their primary affiliations.
| # | Author | Affiliation | Papers |
|---|---|---|---|
| 1 | Ada Kolman | Stockholm University | 6 |
| 2 | Bernd Zechmann | University of Graz | 5 |
| 3 | Folke Tjerneld | Lund University | 5 |
| 4 | Akio Ohnishi | University of Occupational and Environmental Health Japan | 4 |
| 5 | Andrew J. Gellman | Carnegie Mellon University | 4 |
| 6 | Anthony Michael Carter | University of Southern Denmark | 4 |
| 7 | Asoka Ranasinghe | University of North Carolina at Chapel Hill | 4 |
| 8 | Brian A. Link | Medical College of Wisconsin | 4 |
| 9 | J. G. Filser | Technical University of Munich | 4 |
| 10 | Siv Osterman-Golkar | Stockholm University | 4 |
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 |
|---|---|---|---|
| Increased Silver Activity for Direct Propylene Epoxidation via Subnanometer Size Effects | 2010 | 888 | Advanced Photocatalysis Techniques |
| Polymerization of Ethylene Oxide, Propylene Oxide, and Other Alkylene Oxides: Synthesis, Novel Polymer Architectures, and Bioconjugation | 2015 | 851 | biodegradable polymer synthesis and properties |
| Root-Specific Expression of <i>OsNAC10</i> Improves Drought Tolerance and Grain Yield in Rice under Field Drought Conditions | 2010 | 836 | Plant Molecular Biology Research |
| Selective oxidation using gold | 2008 | 677 | Catalytic Processes in Materials Science |
| Anti-proliferative activity of silver nanoparticles | 2009 | 657 | Nanoparticle-Based Drug Delivery |
Frequently asked questions
Common questions about this compound's patent and research landscape, answered from the underlying data.
What is the molecular formula and weight of propylene oxide?
Which companies hold the most patents related to propylene oxide?
How many patents and papers cover propylene oxide in the database?
What are the most common patent classifications for propylene oxide technology?
What patent processes relate to propylene oxide production and purification?