Harmon Colors Corporation

Follow

Organization

New York, NY, US

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing gamma quinacridone from polyphosphoric acid a...
- Patent number 4,100,162
- Issue date Jul 11, 1978
- Harmon Colors
- Robert Jarl North
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for producing gamma quinacridone solid solutions
- Patent number 4,099,980
- Issue date Jul 11, 1978
- Harmon Colors Corporation
- Robert Jarl North
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for making quinacridone and its derivatives
- Patent number 4,064,129
- Issue date Dec 20, 1977
- Harmon Colors Corporation
- Herman Gerson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks