prepared by demetallizing metal Pc compounds

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Patents Grantslast 30 patents

Information Patent Grant
3492309
- Patent number 3,492,309
- Issue date Jan 27, 1970
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
2681348
- Patent number 2,681,348
- Issue date Jun 15, 1954
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
2214454
- Patent number 2,214,454
- Issue date Sep 10, 1940
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...