G11B 7/2535
Polyesters
Official title: polyesters, e.g. PET, PETG or PEN
G11B7/2535 (Polyesters) appears on 197 US grants and 169 published applications in this corpus.
Search patents in G11B- Granted patents
- 197
- Published applications
- 169
- Assignees
- 89
- Inventors
- 518
- Latest grant
- 28 Feb 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 3 |
| 2002 | 6 | 6 |
| 2003 | 7 | 25 |
| 2004 | 9 | 30 |
| 2005 | 8 | 27 |
| 2006 | 15 | 26 |
| 2007 | 10 | 18 |
| 2008 | 12 | 12 |
| 2009 | 9 | 8 |
| 2010 | 11 | 10 |
| 2011 | 8 | 2 |
| 2012 | 4 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Photopolymer composition28 Feb 2023US 11,591,433 B2LG Chem.Ltd.
- Composite comprising a substrate and a photopolymer film11 Jul 2017US 9,703,194 B2Covestro Deutschland AG
- Method for producing holographic photopolymers on polymer films6 May 2014US 8,715,888 B2Bayer MaterialScience AG
- Optical recording medium, optical recording material and metal complex compound13 Nov 2012US 8,309,196 B2Mitsubishi Kagaku Media Co., Ltd.
- Data storage system and linear tape29 May 2012US 8,189,432 B2Oracle America, Inc.
- Photopolymer composition12 Nov 2020US 2020/0354497 A1LG Chem.Ltd.
- Composite comprising a substrate and a photopolymer film29 Sep 2016US 2016/0282719 A1Covestro Deutschland AG
- Optical recording medium, optical recording material and metal complex compound22 Dec 2011US 2011/0311752 A1Mitsubishi Kagaku Media Co., Ltd.
- Method for producing holographic photopolymers on polymer films22 Dec 2011US 2011/0311905 A1Bayer MaterialScience AG
- Two-photon absorbing optical recording material and two-photon absorbing optical recording and reproducing method23 Sep 2010US 2010/0239962 A1FUJIFILM Corporation
Most cited
By later US patents
- Optical elements containing nanoscaled particles and having an embossed surface and process for their preparation95US 5,716,679 AInstitut für Neue Materialien gemeinnützige GmbH · 1998
- Optical articles comprising isosorbide polyesters and method for making same93US 6,126,992 AE. I. DuPont de Nemours and Company · 2000
- Article for optical data storage device77US 6,221,556 B1General Electric Company · 2001
- Compositions having low birefringence67US 6,323,291 B1Bayer Aktiengesellschaft · 2001
- Optical information storage material and method of making it65US 3,971,874 AMatsushita Electric Industrial Co., Ltd. · 1976