C12N 11/093
Polyurethanes
C12N11/093 (Polyurethanes) appears on 75 US grants and 62 published applications in this corpus.
Search patents in C12N- Granted patents
- 75
- Published applications
- 62
- Assignees
- 53
- Inventors
- 192
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 4 | 3 |
| 2004 | 2 | 2 |
| 2005 | 0 | 3 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 2 | 4 |
| 2011 | 0 | 4 |
| 2012 | 1 | 2 |
| 2013 | 3 | 4 |
| 2014 | 2 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 3 |
| 2017 | 4 | 9 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 3 |
| 2021 | 4 | 5 |
| 2022 | 2 | 2 |
| 2023 | 2 | 4 |
| 2024 | 1 | 2 |
| 2025 | 4 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diffusion resistance layer for analyte sensors24 Feb 2026US 12,560,570 B2DexCom, Inc.
- Analyte sensor22 Jul 2025US 12,366,548 B2DexCom, Inc.
- Enzyme immobilized adhesive layer for analyte sensors15 Jul 2025US 12,360,074 B2DexCom, Inc.
- Nano-enzyme containers for test elements18 Mar 2025US 12,253,517 B2Roche Diabetes Care, Inc.
- Cell adhesion sheet14 Jan 2025US 12,195,579 B2FUJIFILM Corporation
- Diffusion resistance layer for analyte sensors8 Oct 2026US 2026/0309670 A1DexCom, Inc.
- Composite biochar immobilized microbial filler and its application in the degradation of volatile organic pollutants25 Jun 2026US 2026/0176610 A1Zhejiang University of Technology
- Analyte sensor8 Jan 2026US 2026/0009759 A1DexCom, Inc.
- Enzyme immobilized adhesive layer for analyte sensors23 Oct 2025US 2025/0327768 A1DexCom, Inc.
- Method For Making A Polyurethane Carrier Composite Immobilized Substance7 Aug 2025US 2025/0250387 A1
Most cited
By later US patents
- Systems for premeating molecules of predetermined molecular weight range361US 5,756,632 AThe Polymer Technology Group · 1998
- Copolymers and non-porous, semi-permeable membrane thereof and its use for permeating molecules of predetermined molecular weight range303US 5,428,123 AThe Polymer Technology Group · 1995
- Method for immobilizing enzymes and microbial cells75US 4,195,129 AKansai Paint Co., Ltd. · 1980
- Immobilization of proteins with polyurethane polymers73US 4,098,645 AW. R. Grace & Co. · 1978
- Bead-shaped crosslinked copolymers containing epoxide groups and basic amino groups, a process for their preparation and their use62US 4,772,635 ABayer Aktiengesellschaft · 1988