Who owns the IP
The organizations most actively patenting around this compound, ranked by referenced patent volume.
| # | Assignee | Patents |
|---|---|---|
| 1 | Denka Co Ltd | 1,344 |
| 2 | EIDP Inc | 835 |
| 3 | Bayer AG | 651 |
| 4 | BASF SE | 319 |
| 5 | Goodyear Tire and Rubber Co | 312 |
| 6 | Bridgestone Corp | 259 |
| 7 | JSR Corp | 212 |
| 8 | 3M Innovative Properties Co | 209 |
| 9 | China Petroleum and Chemical Corp | 197 |
| 10 | Evonik Operations GmbH | 197 |
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 | C08L | Polymer compositions (blends) | 12,640 |
| 2 | C08K | Polymer compositions (additives) | 9,580 |
| 3 | C08F | Polymers from C=C unsaturated bonds | 5,710 |
| 4 | Y10T | Cross-reference (technical subjects) | 3,934 |
| 5 | C08J | Working-up of plastics | 3,327 |
| 6 | C09J | Adhesives | 2,827 |
| 7 | B32B | Layered products | 2,393 |
| 8 | B29C | Shaping of plastics | 2,172 |
| 9 | C09D | Coatings, paints, varnishes | 2,123 |
| 10 | Y10S | Cross-reference (legacy) | 1,608 |
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 |
|---|---|---|---|
| Chloroprene rubber composition having improved cold tolerance | 2009 | China Academy of Railway Sciences Corp Ltd CARS | 65 |
| Glove made from a blend of chloroprene rubber and a carboxylated synthetic butadiene rubber | 1999 | PT. IRAMA DINAMIKA LATEX | 59 |
| CHLOROPRENE-BASED POLYMER LATEX AND METHOD FOR PRODUCING THE SAME | 2007 | Resonac Holdings Corp | 57 |
| CHLOROPRENE POLYMER LATEX AND METHOD OF MANUFACTURING THE SAME | 2011 | Resonac Holdings Corp | 44 |
| Plastic polymeric derivatives of chloroprene and process of producing the same | 1941 | EIDP Inc | 43 |
Where research is gaining momentum
Research themes ranked by publication activity show where scientific interest is accelerating around this compound.
| # | Research topic | Papers |
|---|---|---|
| 1 | Carcinogens and Genotoxicity Assessment | 2 |
| 2 | Air Quality and Health Impacts | 1 |
| 3 | Cancer-related Molecular Pathways | 1 |
| 4 | Chemical Analysis and Environmental Impact | 1 |
| 5 | Human Health and Disease | 1 |
Who's driving the science
The most-published authors working with this compound, alongside their primary affiliations.
| # | Author | Affiliation | Papers |
|---|---|---|---|
| 1 | Matthew W. Himmelstein | DuPont (United States) | 9 |
| 2 | Gary M. Marsh | University of Pittsburgh | 7 |
| 3 | Harvey J. Clewell | Triangle | 6 |
| 4 | Jeanine M. Buchanich | University of Pittsburgh | 6 |
| 5 | Ronald L. Melnick | National Institute of Environmental Health Sciences | 6 |
| 6 | Ada O. Youk | University of Pittsburgh | 5 |
| 7 | Margaret Phillips | University of Oklahoma Health Sciences Center | 5 |
| 8 | Nurtan A. Esmen | University of Illinois Chicago | 5 |
| 9 | Robert C. Sills | National Institute of Environmental Health Sciences | 5 |
| 10 | Bernard T. Golding | Newcastle 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 |
|---|---|---|---|
| Evaluation of the TOPKAT system for predicting the carcinogenicity of chemicals | 2001 | 70 | Toxic Organic Pollutants Impact |
| Bayesian Models for Multivariate Current Status Data with Informative Censoring | 2002 | 62 | Statistical Methods and Inference |
| High frequency of codon 61 K-ras A→T transversions in lung and Harderian gland neoplasms of B6C3F1 mice exposed to chloroprene (2-chloro-1,3-butadiene) for 2 years, and comparisons with the structurally related chemicals isoprene and 1,3-butadiene | 1999 | 57 | DNA Repair Mechanisms |
| Mutagenecity of vinyl chloride, vinylidene chloride and chloroprene in V79 Chinese hamster cells | 1979 | 49 | Toxic Organic Pollutants Impact |
| Multiple organ carcinogenicity of inhaled chloroprene (2-chloro-1,3-butadiene) in F344/N rats and B6C3F1 mice and comparison of dose–response with 1,3-butadiene in mice | 1999 | 49 | Carcinogens and Genotoxicity Assessment |
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 chloroprene?
Which companies hold the most patents related to chloroprene?
What are the most common patent classifications for chloroprene-related inventions?
What health and safety research topics are associated with chloroprene in the scientific literature?
How many patents have been filed for chloroprene in recent years?