A61K 49/1893
Molecular sieves
Official title: {Molecular sieves}
A61K49/1893 (Molecular sieves) appears on 8 US grants and 1 published applications in this corpus.
Search patents in A61K- Granted patents
- 8
- Published applications
- 1
- Assignees
- 5
- Inventors
- 11
- Latest grant
- 12 Sep 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Iron oxide nanocapsules, method of manufacturing the same, and MRI contrast agent using the same12 Sep 2017US 9,757,482 B2Hanwha Chemical Corporation
- Polymers and copolymers of acrylic acid MRI of the digestive tract of patients11 Aug 1998US 5,792,445 ABracco International B. V.
- Mucoadhesive compositions for increasing the ultrasonic image contrast of the digestive tract18 Nov 1997US 5,688,490 ABracco International B. V.
- Compositions for increasing the image contrast in diagnostic investigations of the digestive tract of patients5 Aug 1997US 5,653,959 ASintetica S.A.
- Molecular sieve-enclosed transition and rare earth metal ions as contrast agents for the gastrointestinal tract4 Jul 1995US 5,429,814 ABoard of Regents, The University of Texas System
Most cited
By later US patents
- Mucoadhesive compositions for increasing the ultrasonic image contrast of the digestive tract241US 5,688,490 ABracco International B. V. · 1997
- Zeolite-enclosed transistion and rare earth metal ions as contrast agents for the gastrointestinal tract29US 5,122,363 ABoard of Regents, The University of Texas System · 1992
- Clay enclosed transition and rare earth metal ions as contrast agents for the gastrointestinal tract18US 5,277,896 ABoard of Reagents, The University of Texas System · 1994
- Compositions for increasing the image contrast in diagnostic investigations of the digestive tract of patients13US 5,370,901 ABracco International B. V. · 1994
- Compositions for increasing the image contrast in diagnostic investigations of the digestive tract of patients8US 5,653,959 ASintetica S.A. · 1997