IP Library Assignment 041865/0320
Patent Assignment
Reel/Frame 041865/0320

Assignment of Assignor's Interest

Recorded: 2017-04-05 Pages: 4
Assignors
TYLER, JOSEPH
Executed: 2001-02-09
PETERSEN, JOHN S.
Executed: 2000-02-06
Assignee
GELTEX PHARMACEUTICALS, INC.
153 SECOND AVENUE, WALTHAM, MASSACHUSETTS, 02154
Covered Property (1)
Direct Compression Polymer Tablet Core
Patent: 9,931,358 →
Application: 15/420,896 →
Publication: US 2017/0202872
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Apr 5, 2017
From: GELTEX PHARMACEUTICALS, INC.
To: GENZYME CORPORATION
Reel/Frame 041865/0460 →