Chemicals Trademarks Filed in June 3, 1971
PERMAPHASE
Filed: June 3, 1971
SUPERFICIALLY POROUS SPHERICAL PARTICLES FOR USE AS CHROMATOGRAPHIC COLUMN PACKING MATERIAL
Owned by: E. I. DU PONT DE NEMOURS AND COMPANY
Serial Number: 72393799
ZIMPOST
Filed: June 3, 1971
ORGANIC SOIL CONDITIONER
Owned by: Sterling Drug, Inc.
Serial Number: 72393868
