David Y. Dollman

Person

Doylestown, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Alkaline cleaner for aluminum
- Patent number 4,762,638
- Issue date Aug 9, 1988
- Amchem Products, Inc.
- David Y. Dollman
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Non-fluoride acid compositions for cleaning aluminum surfaces
- Patent number 4,668,421
- Issue date May 26, 1987
- Amchem Products, Inc.
- David Y. Dollman
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for the production of chromium phosphate coatings
- Patent number 4,668,305
- Issue date May 26, 1987
- Amchem Products, Inc.
- David Y. Dollman
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Non-fluoride acid compositions for cleaning aluminum surfaces
- Patent number 4,435,223
- Issue date Mar 6, 1984
- Amchem Products, Inc.
- David Y. Dollman
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Composition and method for acid cleaning of aluminum surfaces
- Patent number 4,370,173
- Issue date Jan 25, 1983
- Amchem Products, Inc.
- David Y. Dollman
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and compositions for coating aluminum
- Patent number 4,191,596
- Issue date Mar 4, 1980
- Union Carbide Corporation
- David Y. Dollman
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

David Y. Dollman

Person

Patents Grantslast 30 patents

Alkaline cleaner for aluminum

Non-fluoride acid compositions for cleaning aluminum surfaces

Method for the production of chromium phosphate coatings

Non-fluoride acid compositions for cleaning aluminum surfaces

Composition and method for acid cleaning of aluminum surfaces

Method and compositions for coating aluminum