Pfeifer & Langen
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Sep 10, 2002 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 129 Total Citation Count
- Jan 14, 1985 Earliest Filing
- 11 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
Upgrade to the Professional Level to View Top Patents for this Owner. Learn More |
Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4935360 Process for the microbial anaerobic production of acetic acidExpiredJun 01, 87Jun 19, 90[C12R, C12P]
4927756 Water soluble iron dextran and a process for its manufactureExpiredFeb 25, 88May 22, 90[C07G, C12P, C08B]
4910142 Cell culture microcarrier, method for preparing same and use thereof for cultivating anchorage-dependent cellsExpiredJan 04, 89Mar 20, 90[C12N, C08B]
4824946 Cell culture microcarrier, method for preparing same and use thereof for cultivating anchorage-dependent cellsExpiredJan 14, 85Apr 25, 89[C12B, C12N, C08B]
4749695 Water soluble iron dextran and a process for its manufactureExpiredJun 05, 85Jun 07, 88[A61K, C08B]
4673643 Process for the manufacture of iso-malto-oligosaccharide monovalent haptensExpiredJun 11, 85Jun 16, 87[C12P]
4651715 Method for an equipment for making dry products from sugar syrupExpiredFeb 27, 85Mar 24, 87[F24C]
4649058 Gluco-oligosaccharide mixture and a process for its manufactureExpiredJun 05, 85Mar 10, 87[A23L, C12D]
Top Inventors for This Owner
Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More |
We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!
We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.