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Claims
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| 3668208 | June 1972 | Baxter |
| 283162 | September 1988 | EPX |
Patent History
Patent number: RE35840
Type: Grant
Filed: Jun 17, 1997
Date of Patent: Jul 7, 1998
Assignee: Pharmacia & Upjohn Company (Kalamazoo, MI)
Inventors: Eric Jon Jacobsen (Plainwell, MI), Ruth Elizabeth TenBrink (Richland, MI)
Primary Examiner: Robert W. Ramsuer
Attorney: Bruce Stein
Application Number: 8/877,611
Type: Grant
Filed: Jun 17, 1997
Date of Patent: Jul 7, 1998
Assignee: Pharmacia & Upjohn Company (Kalamazoo, MI)
Inventors: Eric Jon Jacobsen (Plainwell, MI), Ruth Elizabeth TenBrink (Richland, MI)
Primary Examiner: Robert W. Ramsuer
Attorney: Bruce Stein
Application Number: 8/877,611
Classifications
Current U.S. Class:
The Additional Six-membered Hetero Ring Is One Of The Cyclos In A Tricyclo Ring System (544/126);
The Additional Six-membered Hetero Ring Is One Of The Cyclos In A Polycyclo Ring System (544/361);
One Of The Cyclos Is Five-membered (546/84)
International Classification: C07D47104;
International Classification: C07D47104;
