Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
5 patents granted to the 2 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Sotera Health Company’s names, not what it holds today.
Patents granted
5
5 utility, 1976 to Dec 31, 2025
Granted in 2025
none
in the last year the record reads
Applications published
8
since 2001, to Dec 31, 2025
Names they are printed under
2
a subsidiary
By yearGrantedApplications published
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
Under which name2 counted
NORDION (CANADA) INC. a subsidiary
CA, as the owner printed on each patent
7 publishedSTERIGENICS U.S., LLC a subsidiary
US, as the owner printed on each patent
1 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Sep 15, 2015 | 9,133,208 | Radiolabelled rotenone derivatives and their use in SPECT imaging | Organic fine chemistry | NORDION (CANADA) INC. |
| Jul 8, 2014 | 8,772,446 | Bifunctional chelating agents | Pharmaceuticals | NORDION (CANADA) INC. |
| Aug 27, 2013 | 8,518,715 | Bifunctional polyazamacrocyclic chelating agents | Pharmaceuticals | NORDION (CANADA) INC. |
| Jun 12, 2012 | 8,198,101 | Bifunctional polyazamacrocyclic chelating agents | Pharmaceuticals | NORDION (CANADA) INC. |
| Jan 3, 2006 | 6,983,230 | Method and apparatus for simulating a radiation dose delivered to an object | Medical technology | STERIGENICS U.S., LLC |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Aug 21, 2014 | 2014/0231654 | APPARATUS FOR DETECTING RADIATION FIELDS | Environmental technology | NORDION (CANADA) INC. |
| Jul 24, 2014 | 2014/0206790 | BIO-DERIVED POLYMERS HAVING IMPROVED PROCESSABILITY AND METHOD FOR THE PRODUCTION THEREOF | Macromolecular chemistry, polymers | STERIGENICS U.S., LLC · patent 9,790,335 granted from it |
| Aug 29, 2013 | 2013/0220928 | METHOD OF PRE-TREATING AN ADSORBENT FOR A CHROMATOGRAPHIC SEPARATION | Chemical engineering | NORDION (CANADA) INC. · patent 10,357,758 granted from it |
| Jan 24, 2013 | 2013/0022542 | RADIOLABELLED ROTENONE DERIVATIVES AND THEIR USE IN SPECT IMAGING | Organic fine chemistry | NORDION (CANADA) INC. · patent 9,133,208 granted from it |
| Nov 1, 2012 | 2012/0276001 | BIFUNCTIONAL POLYAZAMACROCYCLIC CHELATING AGENTS | Pharmaceuticals | NORDION (CANADA) INC. · patent 8,518,715 granted from it |
| Apr 19, 2012 | 2012/0095185 | PROCESS FOR CHELATING COPPER IONS USING CB-TE2A BIFUNCTIONAL CHELATE | Pharmaceuticals | NORDION (CANADA) INC. |
| Mar 1, 2012 | 2012/0053554 | METHOD FOR INCREASING THE LEAKAGE RESISTANCE IN A CLOSED, PRESSURIZED SYSTEM COMPRISING A SEPTUM-SEALED CONTAINER | Medical technology | NORDION (CANADA) INC. · patent 9,402,784 granted from it |
| Dec 22, 2011 | 2011/0313130 | BIFUNCTIONAL CHELATING AGENTS | Pharmaceuticals | NORDION (CANADA) INC. · patent 8,772,446 granted from it |
A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.