Solid forms of ceftolozane and processes for preparing
US-11542279-B2 · Jan 3, 2023 · US
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with the 7-amino radical acylated by carboxylic acids containing hetero rings
with the 7-amino radical acylated by carboxylic acids containing hetero rings · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D501/56 |
| Official title | with the 7-amino radical acylated by carboxylic acids containing hetero rings |
| Display label | with the 7-amino radical acylated by carboxylic acids containing hetero rings |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Solid forms of ceftolozane and processes for preparing
US-2022056045-A1 · Feb 24, 2022 · US
Synthesis of cephalosporin compounds
US-11059835-B2 · Jul 13, 2021 · US
Intermediates in the synthesis of cephalosporin compounds
US-10941161-B2 · Mar 9, 2021 · US
Synthesis of cephalosporin compounds
US-2020385404-A1 · Dec 10, 2020 · US
Synthesis of cephalosporin compounds
US-10662202-B2 · May 26, 2020 · US
Process for preparing ceftolozane from 7-aminocephalosporanic acid (7-ACA)
US-10532058-B2 · Jan 14, 2020 · US
Synthesis of cephalosporin compounds
US-2019263831-A1 · Aug 29, 2019 · US
Intermediates in the synthesis of cephalosporin compounds
US-2019225624-A1 · Jul 25, 2019 · US
Intermediates in the synthesis of cephalosporin compounds
US-10221196-B2 · Mar 5, 2019 · US
Synthesis of cephalosporin compounds
US-10214543-B2 · Feb 26, 2019 · US
Process for Preparing Ceftolozane from 7-Aminocephalosporanic Acid (7-ACA)
US-2018338981-A1 · Nov 29, 2018 · US
Synthesis of cephalosporin compounds
US-10125149-B2 · Nov 13, 2018 · US
Synthesis of cephalosporin compounds
US-2018170949-A1 · Jun 21, 2018 · US
Synthesis of cephalosporin compounds
US-2017275300-A1 · Sep 28, 2017 · US
Intermediates in the synthesis of cephalosporin compounds
US-2017226126-A1 · Aug 10, 2017 · US
Antibacterial compounds
US-9340556-B2 · May 17, 2016 · US
Cephem derivative having catechol group
US-9290515-B2 · Mar 22, 2016 · US
Regulation of nitric oxide release and biofilm development
US-2016009733-A1 · Jan 14, 2016 · US
Cephem compound having catechol group
US-9145425-B2 · Sep 29, 2015 · US