- All sections
- A - Human necessities
- A61L - Methods or apparatus for sterilising materials or objects in general; disinfection, sterilisation or deodorisation of air; chemical aspects of bandages, dressings, absorbent pads or surgical articles; materials for bandages, dressings, absorbent pads or surgical articles
- A61L 27/52 - Hydrogels or hydrocolloids
Patent holdings for IPC class A61L 27/52
Total number of patents in this class: 3263
10-year publication summary
152
|
217
|
265
|
277
|
336
|
324
|
339
|
364
|
316
|
107
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
The Regents of the University of California | 18943 |
61 |
University of Pittsburgh - Of the Commonwealth System of Higher Education | 2912 |
58 |
Allergan, Inc. | 2600 |
46 |
The Johns Hopkins University | 5377 |
39 |
Allergan Industrie SAS | 93 |
38 |
President and Fellows of Harvard College | 5792 |
34 |
Boston Scientific Scimed, Inc. | 8794 |
31 |
The Board of Trustees of the Leland Stanford Junior University | 6054 |
29 |
Massachusetts Institute of Technology | 9795 |
27 |
Cornell University | 3036 |
26 |
Wake Forest University Health Sciences | 707 |
25 |
MERZ PHARMA GmbH & CO. KGaA | 624 |
22 |
Trustees of Tufts College | 743 |
22 |
Georgia Tech Research Corporation | 2453 |
21 |
Board of Regents, The University of Texas System | 5370 |
19 |
Eth Zurich | 1193 |
19 |
Centre National de La Recherche Scientifique | 9632 |
18 |
The Trustees of the University of Pennsylvania | 4122 |
18 |
Case Western Reserve University | 1727 |
17 |
Children's Medical Center Corporation | 1780 |
17 |
Other owners | 2676 |