Y02P 20/55
Design of synthesis routes
Official title: Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Y02P20/55 (Design of synthesis routes) appears on 6,731 US grants and 4,582 published applications in this corpus.
Search patents in Y02P- Granted patents
- 6,731
- Published applications
- 4,582
- Assignees
- 2,449
- Inventors
- 15,835
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 83 | 0 |
| 1977 | 78 | 0 |
| 1978 | 83 | 0 |
| 1979 | 38 | 0 |
| 1980 | 60 | 0 |
| 1981 | 80 | 0 |
| 1982 | 107 | 0 |
| 1983 | 84 | 0 |
| 1984 | 96 | 0 |
| 1985 | 102 | 0 |
| 1986 | 98 | 0 |
| 1987 | 111 | 0 |
| 1988 | 99 | 0 |
| 1989 | 130 | 0 |
| 1990 | 158 | 0 |
| 1991 | 120 | 0 |
| 1992 | 156 | 0 |
| 1993 | 128 | 0 |
| 1994 | 127 | 0 |
| 1995 | 155 | 0 |
| 1996 | 188 | 0 |
| 1997 | 240 | 0 |
| 1998 | 213 | 0 |
| 1999 | 228 | 0 |
| 2000 | 209 | 0 |
| 2001 | 197 | 42 |
| 2002 | 189 | 120 |
| 2003 | 165 | 190 |
| 2004 | 111 | 229 |
| 2005 | 87 | 194 |
| 2006 | 151 | 187 |
| 2007 | 121 | 169 |
| 2008 | 95 | 167 |
| 2009 | 122 | 170 |
| 2010 | 126 | 187 |
| 2011 | 134 | 151 |
| 2012 | 132 | 141 |
| 2013 | 140 | 161 |
| 2014 | 149 | 133 |
| 2015 | 150 | 164 |
| 2016 | 136 | 147 |
| 2017 | 104 | 136 |
| 2018 | 133 | 154 |
| 2019 | 145 | 238 |
| 2020 | 159 | 193 |
| 2021 | 141 | 197 |
| 2022 | 123 | 249 |
| 2023 | 136 | 350 |
| 2024 | 132 | 228 |
| 2025 | 178 | 206 |
| 2026 | 104 | 79 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solid supports and phosphoramidite building blocks for oligonucleotide conjugates15 Sep 2026US 12,735,387 B2AM Chemicals LLC
- Aromatic ring-lactam compound, preparation method therefor and use thereof25 Aug 2026US 12,715,871 B2Shanghai Ringene Biopharma Co., Ltd.
- Pyrazolopyridazinone compound, and pharmaceutical composition and use thereof25 Aug 2026US 12,715,873 B2BroadenBio Co., Ltd.
- Preparation method for semaglutide25 Aug 2026US 12,715,900 B2Shenzhen Jymed Technology Co., Ltd.
- Process for preparing a GIP/GLP1 dual agonist25 Aug 2026US 12,715,901 B2Eli Lilly and Company
- Synthesis of vinyl cyclobutyl intermediates27 Aug 2026US 2026/0250233 A1Amgen Inc.
- Method for Enzymatic Synthesis of Nucleoside Bearing Protecting Group, and Composition27 Aug 2026US 2026/0250734 A1Asymchem Life Science (Tianjin) Co., Ltd
- Method for synthesizing aryl-substituted chiral tetrahydropyran ring via desymmetrization20 Aug 2026US 2026/0242375 A1Allsino Pharmaceutical Co., Ltd.
- Resin composition, prepreg using same, film provided with resin, metal foil provided with resin, metal-clad laminate, and wiring board20 Aug 2026US 2026/0242554 A1Panasonic Intellectual Property Management Co., Ltd.
- Euv resist underlayer film-forming composition20 Aug 2026US 2026/0244106 A1Nissan Chemical Corporation
Most cited
By later US patents
- Large scale photolithographic solid phase synthesis of polypeptides and receptor binding screening thereof1,998US 5,143,854 AAffymax Technologies N.V. · 1992
- Array of oligonucleotides on a solid substrate1,585US 5,445,934 AAffymax Technologies N.V. · 1995
- Arrays of materials attached to a substrate1,410US 5,744,305 AAffymetrix, Inc. · 1998
- Very large scale immobilized polymer synthesis967US 5,424,186 AAffymax Technologies N.V. · 1995
- Synthesis and screening of immobilized oligonucleotide arrays676US 5,510,270 AAffymax Technologies N.V. · 1996