Mark D. Dulik

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West Chester, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
System for transporting solid materials
- Patent number 5,919,377
- Issue date Jul 6, 1999
- General Chemical Corporation
- Andrew Chisholm
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Cocurrent flow process for the manufacture of sodium sulfite and bi...
- Patent number 5,266,296
- Issue date Nov 30, 1993
- General Chemical Corporation
- Walter H. Bortle
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for permanganate bleaching of fabric and garments
- Patent number 5,017,301
- Issue date May 21, 1991
- General Chemical Corporation
- Samuel L. Bean
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the manufacture of sodium metabisulfite
- Patent number 4,844,880
- Issue date Jul 4, 1989
- HMC Patents Holding Co., Inc.
- Samuel L. Bean
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for permanganate bleaching of fabric and garments
- Patent number 4,795,476
- Issue date Jan 3, 1989
- General Chemical Corporation
- Samuel L. Bean
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...