Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Blood proteins or globulins – e.g. – proteoglycans – platelet...
Reexamination Certificate
2005-04-26
2005-04-26
Ceperley, Mary E. (Department: 1641)
Chemistry: natural resins or derivatives; peptides or proteins;
Proteins, i.e., more than 100 amino acid residues
Blood proteins or globulins, e.g., proteoglycans, platelet...
Reexamination Certificate
active
06884874
ABSTRACT:
Processes for preparing N-methyl-L-alanine derivatives and novel intermediates of the process. The derivatives and intermediates are useful for preparing cell-binding agent/maytansinoid complexes.
REFERENCES:
patent: 5208020 (1993-05-01), Chari et al.
patent: 6333410 (2001-12-01), Chari et al.
patent: 6441163 (2002-08-01), Chari et al.
patent: 6573074 (2003-06-01), Fulston et al.
Eldridge Ann M.
Hiebl Johann
Ceperley Mary E.
Gimmi Edward R.
Lockenour Andreas V.
SmithKline Beecham Corporation
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