B01J 19/1862
Placed in series
Official title: {placed in series}
B01J19/1862 (Placed in series) appears on 344 US grants and 295 published applications in this corpus.
Search patents in B01J- Granted patents
- 344
- Published applications
- 295
- Assignees
- 241
- Inventors
- 1,015
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 4 |
| 2002 | 8 | 6 |
| 2003 | 4 | 4 |
| 2004 | 3 | 6 |
| 2005 | 5 | 7 |
| 2006 | 2 | 3 |
| 2007 | 2 | 13 |
| 2008 | 6 | 12 |
| 2009 | 13 | 19 |
| 2010 | 8 | 11 |
| 2011 | 9 | 11 |
| 2012 | 12 | 15 |
| 2013 | 10 | 8 |
| 2014 | 12 | 17 |
| 2015 | 11 | 18 |
| 2016 | 16 | 26 |
| 2017 | 18 | 14 |
| 2018 | 10 | 7 |
| 2019 | 15 | 13 |
| 2020 | 11 | 15 |
| 2021 | 11 | 17 |
| 2022 | 9 | 9 |
| 2023 | 10 | 13 |
| 2024 | 11 | 11 |
| 2025 | 6 | 10 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for continuously producing hydrogen from polyester plastics by photocatalytic degradation15 Sep 2026US 12,734,500 B2Tianjin University
- Polymerisation station for grafting a bioactive coating14 Jul 2026US 12,678,763 B2Activ' Biomat
- Coated metal oxide materials and method, process, and apparatus for making the same3 Mar 2026US 12,567,585 B2Action Battery Technologies, Inc.
- Method of preparing diester-based material13 Jan 2026US 12,522,557 B2LG Chem.Ltd.
- High-viscosity PETG or PCTG polymerization reactor and method for polymerizing PETG or PCTG13 Jan 2026US 12,522,694 B1Guowang High-Tech Fiber (Suqian) Co., Ltd.
- Process for preparing azine using reactors in cascade17 Sep 2026US 2026/0274786 A1
- Reactors and their special design suitable for a high flexible and robust polycarbonate plant, in particular by means of a pre-transesterification technology20 Aug 2026US 2026/0241359 A1Epc Engineering & Technologies GmbH
- Compartmented reaction vessel, system and method for converting a substrate to a product13 Aug 2026US 2026/0233187 A1USW Commercial Services Ltd.
- Segmented reactor for hydrothermal synthesis in desulfurization gypsum quality improvement30 Jul 2026US 2026/0216686 A1Xi' An Jiaotong University
- Process and apparatus for increasing the flexibility and robustness of a polycarbonate plant by means of a pre-transesterificationreaction technology9 Jul 2026US 2026/0193411 A1Epc Engineering & Technologies GmbH
Most cited
By later US patents
- Process for preparing spheroidally shaped products, solid at room temperature124US 4,469,648 AMontedison S.p.A. · 1984
- Atmospheric pressure process for preparing pure cyclic esters98US 4,835,293 AE. I. Du Pont de Nemours and Company · 1989
- Method for producing polylactic acid88US 5,770,682 AShimadzu Corporation · 1998
- Two-step process for the preparation of a (co)polycarbonate by transesterification82US 5,498,688 ADaicel Chemical Industries, Ltd. · 1996
- Method for the preparation of oligomeric alkylene terephthalates76US 4,289,895 ADynamit Nobel Aktiengesellschaft · 1981