C12P 17/00
Preparation of heterocyclic carbon compounds with only o, n, s, se or
Official title: Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms (C12P13/04 - C12P13/24 take precedence)
C12P17/00 (Preparation of heterocyclic carbon compounds with only o, n, s, se or) appears on 3,546 US grants and 3,173 published applications in this corpus.
Search patents in C12P- Granted patents
- 3,546
- Published applications
- 3,173
- Assignees
- 1,522
- Inventors
- 8,909
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 13 | 0 |
| 1978 | 23 | 0 |
| 1979 | 36 | 0 |
| 1980 | 54 | 0 |
| 1981 | 52 | 0 |
| 1982 | 49 | 0 |
| 1983 | 47 | 0 |
| 1984 | 41 | 0 |
| 1985 | 45 | 0 |
| 1986 | 28 | 0 |
| 1987 | 28 | 0 |
| 1988 | 30 | 0 |
| 1989 | 41 | 0 |
| 1990 | 57 | 0 |
| 1991 | 72 | 0 |
| 1992 | 93 | 0 |
| 1993 | 121 | 0 |
| 1994 | 79 | 0 |
| 1995 | 76 | 0 |
| 1996 | 72 | 0 |
| 1997 | 82 | 0 |
| 1998 | 94 | 0 |
| 1999 | 68 | 0 |
| 2000 | 75 | 0 |
| 2001 | 88 | 22 |
| 2002 | 78 | 77 |
| 2003 | 69 | 135 |
| 2004 | 60 | 117 |
| 2005 | 40 | 116 |
| 2006 | 79 | 111 |
| 2007 | 67 | 97 |
| 2008 | 71 | 110 |
| 2009 | 56 | 107 |
| 2010 | 64 | 104 |
| 2011 | 70 | 110 |
| 2012 | 67 | 99 |
| 2013 | 71 | 128 |
| 2014 | 73 | 119 |
| 2015 | 122 | 146 |
| 2016 | 112 | 129 |
| 2017 | 94 | 139 |
| 2018 | 101 | 119 |
| 2019 | 112 | 136 |
| 2020 | 113 | 141 |
| 2021 | 126 | 156 |
| 2022 | 93 | 176 |
| 2023 | 80 | 149 |
| 2024 | 97 | 179 |
| 2025 | 112 | 146 |
| 2026 | 46 | 105 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C12P 17/02Oxygen as only ring hetero atoms1,332
- C12P 17/18Containing at least two hetero rings condensed among themselves or condensed with1,094
- C12P 17/10Nitrogen as only ring hetero atom868
- C12P 17/16Containing two or more hetero rings442
- C12P 17/14Nitrogen or oxygen as hetero atom and at least one other diverse130
Recent patents
- Recombinant host cells with improved production of tetraketide derivatives22 Sep 2026US 12,742,189 B2Iptector Assets Aps
- Method for treating wastewater15 Sep 2026US 12,735,337 B2Mitsubishi Chemical Corporation
- Gene combination for expressing and producing terrequinone A in Escherichia coli and use thereof25 Aug 2026US 12,716,069 B2Shanghai Academy of Agricultural Sciences
- Method and system for picture segmentation using columns25 Aug 2026US 12,720,070 B2Dolby Laboratories Licensing Corporation
- Production of cannabinoids/phytocannabinoids with a plant extract4 Aug 2026US 12,698,516 B2Technische Universität Darmstadt
- Process for producing (+)-amberketal8 Oct 2026US 2026/0308648 A1Givaudan SA
- Paclitaxel (taxol) biosynthesis pathway24 Sep 2026US 2026/0286406 A1Center of Plant Systems Biology and Biotechnology
- In vivo method for the production of tulipalin a via itaconic acid24 Sep 2026US 2026/0286407 A1Base SE
- Process for making flavanone derivatives24 Sep 2026US 2026/0286408 A1
- Tropane Alkaloid (TA) Producing Non-Plant Host Cells, and Methods of Making and Using the Same17 Sep 2026US 2026/0275357 A1The Board of Trustees of the Leland Stanford Junior University
Most cited
By later US patents
- Delivery of multiple doses of medications377US 5,837,284 A1998
- Hypocholesteremic fermentation products and process of preparation355US 4,231,938 AMerck & Co., Inc. · 1980
- ML-236B Derivatives and their preparation326US 4,346,227 ASankyo Company, Limited · 1982
- Fermentation process of preparing demethyl maytansinoids304US 4,361,650 ATakeda Chemical Industries, Ltd. · 1982
- Maytansinoids302US 4,322,348 ATakeda Chemical Industries, Ltd. · 1982