C12N 2500/50
Soluble polymers
Official title: Soluble polymers, e.g. polyethyleneglycol [PEG]
C12N2500/50 (Soluble polymers) appears on 107 US grants and 208 published applications in this corpus.
Search patents in C12N- Granted patents
- 107
- Published applications
- 208
- Assignees
- 156
- Inventors
- 544
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 8 |
| 2006 | 2 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 0 | 6 |
| 2010 | 0 | 5 |
| 2011 | 4 | 6 |
| 2012 | 3 | 4 |
| 2013 | 2 | 3 |
| 2014 | 2 | 7 |
| 2015 | 3 | 15 |
| 2016 | 4 | 11 |
| 2017 | 5 | 10 |
| 2018 | 9 | 7 |
| 2019 | 4 | 21 |
| 2020 | 5 | 11 |
| 2021 | 8 | 15 |
| 2022 | 8 | 12 |
| 2023 | 10 | 19 |
| 2024 | 8 | 16 |
| 2025 | 10 | 16 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Maintenance and/or culture of tissue slices in vitro or ex vivo15 Sep 2026US 12,736,523 B2National University of Singapore
- Production of a probiotic composition25 Aug 2026US 12,714,731 B2Blis Technologies Limited
- Methods for gene modification of hematopoietic cells21 Jul 2026US 12,685,751 B2Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, O.A, M.P.
- Method and apparatus for spatial control of cellular growth21 Jul 2026US 12,686,840 B2Research Triangle Institute
- Serum-free medium not containing albumin and suited for culturing human hematopoietic stem cells, and albumin-free culturing method7 Jul 2026US 12,674,139 B2The University of Tokyo
- Production of a probiotic composition8 Oct 2026US 2026/0306558 A1Blis Technologies Limited
- Transduction aids and transduction methods27 Aug 2026US 2026/0250635 A1
- Cell-designer molecule imparting protein adhesion properties to cells30 Jul 2026US 2026/0216400 A1The University of Osaka
- Macrophage-modification technique for treating metastatic solid tumors25 Jun 2026US 2026/0176584 A1The Florida State University Research Foundation, Inc.
- Cell culture method and production method for product26 Mar 2026US 2026/0085282 A1FUJIFILM Corporation
Most cited
By later US patents
- Medium containing pipecholic acid and gamma amino butyric acid and culture of embryonic stem cells138US 7,449,334 B2Wisconsin Alumni Research Foundation · 2008
- Culture medium for production of recombinant protein90US 5,378,612 AJuridical Foundation The Chemo-Sero-Therapeutic Research Institute · 1995
- Recombinant cell clones having increased stability and methods of making and using the same89US 6,936,441 B2Baxter Aktiengesellschaft · 2005
- Fed-batch cell culture methods using non-animal-based hydrolysates79US 8,093,045 B2Abbott Laboratories · 2012
- Recombinant cell clones having increased stability and methods of making and using the same60US 6,475,725 B1Baxter Aktiengesellschaft · 2002