B01J 31/062
Polymeric amino acids
Official title: {Polymeric amino acids}
B01J31/062 (Polymeric amino acids) appears on 16 US grants and 23 published applications in this corpus.
Search patents in B01J- Granted patents
- 16
- Published applications
- 23
- Assignees
- 18
- Inventors
- 68
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing semiconductor quantum dots30 Jun 2026US 12,668,740 B2The Trustees of Princeton University
- Photoactive product comprising a catechol-containing compound and a photoelectrode comprising same9 Jul 2024US 12,030,043 B2McMaster University
- Exhaust gas purifying agent for automobiles and method of producing thereof16 Feb 2021US 10,919,022 B2Eishin Co., Ltd.
- Semiconductor-metal nanoparticle hybrids with natural and artificial proton pump for hydrogen production5 Mar 2019US 10,220,378 B2Uchicago Argonne, LLC
- Method for the synthesis of solid heterogeneous chiral catalysts and their use in stereoselective reactions1 May 2018US 9,957,286 B2Universidad De Guanajuato
- Method for producing semiconductor quantum dots17 Sep 2026US 2026/0275188 A1The Trustees of Princeton University
- Compositions and methods for mitigating aggregation of and recycling of nanoscale catalysts20 Aug 2026US 2026/0241374 A1Massachusetts Institute of Technology
- Method for forming a hetergeneous biocatalyst27 Nov 2025US 2025/0360497 A1The Regents of the University of Michigan
- Method for producing semiconductor quantum dots19 Oct 2023US 2023/0332042 A1The Trustees of Princeton University
- Photoactive product comprising a catechol-containing compound and a photoelectrode comprising same3 Nov 2022US 2022/0347665 A1McMaster University
Most cited
By later US patents
- Phosphine containing amino acids and peptides and methods of preparing and using same12US 5,541,289 AWashington University · 1996
- Method of producing optically active compound7US 9,687,833 B2Dexerials Corporation · 2017
- Catalysts for the enantioselective epoxidation of C═C double bonds2US 6,538,105 B1Degussa AG · 2003
- Semiconductor-metal nanoparticle hybrids with natural and artificial proton pump for hydrogen production1US 10,220,378 B2Uchicago Argonne, LLC · 2019
- Poly-β-amino acids, preparation and use1US 6,559,283 B2Degussa AG · 2003