C08G 63/83
Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium
Official title: Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof {(C08G63/823 takes precedence)}
C08G63/83 (Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium) appears on 195 US grants and 196 published applications in this corpus.
Search patents in C08G- Granted patents
- 195
- Published applications
- 196
- Assignees
- 132
- Inventors
- 606
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 12 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 6 |
| 2003 | 5 | 10 |
| 2004 | 5 | 10 |
| 2005 | 4 | 5 |
| 2006 | 7 | 7 |
| 2007 | 2 | 4 |
| 2008 | 3 | 8 |
| 2009 | 2 | 2 |
| 2010 | 4 | 3 |
| 2011 | 0 | 4 |
| 2012 | 3 | 6 |
| 2013 | 3 | 7 |
| 2014 | 7 | 7 |
| 2015 | 6 | 6 |
| 2016 | 8 | 6 |
| 2017 | 3 | 3 |
| 2018 | 4 | 12 |
| 2019 | 6 | 8 |
| 2020 | 5 | 5 |
| 2021 | 5 | 15 |
| 2022 | 5 | 9 |
| 2023 | 4 | 20 |
| 2024 | 11 | 11 |
| 2025 | 6 | 15 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing glutaryl-bridged bis-biogenic guanidine chelate and method for preparing polybutylene succinate22 Sep 2026US 12,742,039 B2Polytex Chemical Engineering Co., Ltd.
- Modified ethylene-vinyl alcohol resin and production method therefor25 Aug 2026US 12,715,964 B2Mitsubishi Chemical Corporation
- Catalysts and method for producing recycled polyester17 Mar 2026US 12,577,366 B2Petroleo Brasileiro S.A. - Petrobras
- Oxidatively curable coating composition17 Mar 2026US 12,577,371 B2Milliken Industrials Limited
- Sustainable polyester from recycled polyethylene terephthalate10 Mar 2026US 12,570,827 B2Shpp Global Technologies B.V.
- Catalysts and method for producing recycled polyester6 Aug 2026US 2026/0226251 A1Petroleo Brasileiro S.A. - Petrobras
- Process for the synthesis of polyesterols by ring-opening co-polymerisation of gamma-butyrolactone with other lactones23 Jul 2026US 2026/0209430 A1BASF SE
- Polyesters2 Jul 2026US 2026/0184846 A1Clariant International Ltd.
- Manufacturing method of polyester25 Jun 2026US 2026/0176419 A1Nan Ya Plastics Corporation
- Catalysts and method for producing recycled polyester25 Jun 2026US 2026/0176443 A1Petroleo Brasileiro S.A. - Petrobras
Most cited
By later US patents
- Polyester process189US 6,063,827 AXerox Corporation · 2000
- Polyesters from terephthalic acid, 2,2,4,4-tetramethyl-1,3-cyclobutanediol and ethylene glycol91US 5,955,565 AEastman Chemical Company · 1999
- Method for preparing and polymerizing macrocyclic poly(alkylene discarboxylate) oligomers77US 5,039,783 AGeneral Electric Company · 1991
- Copolyester of cyclohexanedimethanol and process for producing such polyester63US 5,340,907 AEastman Chemical Company · 1994
- Process for the production of polyester with increased electroconductivity61US 5,254,288 AAgfa-Gevaert · 1993