C08G 63/785
Characterised by the apparatus used
Official title: {characterised by the apparatus used}
C08G63/785 (Characterised by the apparatus used) appears on 277 US grants and 279 published applications in this corpus.
Search patents in C08G- Granted patents
- 277
- Published applications
- 279
- Assignees
- 162
- Inventors
- 706
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 9 |
| 2003 | 5 | 7 |
| 2004 | 6 | 11 |
| 2005 | 8 | 11 |
| 2006 | 7 | 10 |
| 2007 | 11 | 17 |
| 2008 | 8 | 22 |
| 2009 | 10 | 27 |
| 2010 | 20 | 13 |
| 2011 | 16 | 16 |
| 2012 | 17 | 7 |
| 2013 | 12 | 10 |
| 2014 | 5 | 8 |
| 2015 | 5 | 11 |
| 2016 | 4 | 5 |
| 2017 | 4 | 5 |
| 2018 | 2 | 3 |
| 2019 | 7 | 10 |
| 2020 | 9 | 16 |
| 2021 | 10 | 17 |
| 2022 | 11 | 12 |
| 2023 | 6 | 8 |
| 2024 | 6 | 7 |
| 2025 | 6 | 7 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ring-opening polymerizations using a flow reactor8 Sep 2026US 12,729,271 B2International Business Machines Corporation
- Process for formation of additive-containing polyester10 Mar 2026US 12,570,793 B2Octal Saoc Fzc
- 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.
- Catalyst systems for crystallizable reactor grade resins with recycled content13 Jan 2026US 12,522,695 B2Eastman Chemical Company
- Process for preparing a resorbable polyester as a granulate or powder by bulk polymerization25 Nov 2025US 12,479,954 B2Evonik Operations GmbH
- Manufacturing method of polyethylene furandicarboxylate8 Oct 2026US 2026/0308316 A1Nan Ya Plastics Corporation
- Novel polyester compositions containing ethylene glycol residues and improved processes for making polyesters from oligomeric ethylene terephthalate13 Aug 2026US 2026/0234323 A1Eastman Chemical Company
- Polyester resin, method for manufacturing same, and article produced therefrom16 Jul 2026US 2026/0201113 A1SK Chemicals Co., Ltd.
- Methods for preparing a polyster film and compositions thereof11 Jun 2026US 2026/0158727 A1Far Eastern New Century Corporation
- Branched wholly aromatic polyesters2 Apr 2026US 2026/0092140 A1
Most cited
By later US patents
- Machine for solid phase polymerization98US 4,370,302 ATeijin Limited · 1983
- Method for the preparation of oligomeric alkylene terephthalates76US 4,289,895 ADynamit Nobel Aktiengesellschaft · 1981
- Polyester process using a pipe reactor76US 6,861,494 B2Eastman Chemical Company · 2005
- Process for solid phase polymerization of polyester67US 4,161,578 ABepex Corporation · 1979
- Process for preparing polyethylene terephthalate useful for beverage containers65US 4,223,128 ACelanese Corporation · 1980