RICHARD E ADAMS
Accountancy in Norristown, PA
License number
Pennsylvania CA043301
Category
Accountancy
Type
Certified Public Accountant
Address
Address
Norristown, PA 19403
Professional information
Determination Of Grain Refiners In Phosphate Conversion Coating Baths
US Patent:
4394184, Jul 19, 1983
Filed:
Mar 26, 1982
Appl. No.:
6/362572
Inventors:
Richard G. Adams - Audubon PA
Assignee:
Pennwalt Corporation - Philadelphia PA
International Classification:
C23F 708
US Classification:
148 615R
Abstract:
The amount of organic, phosphorous containing grain refiners in phosphate conversion coating baths is determined by precipitating the grain refiners and determining the difference in the chemical oxygen demand of the bath before and after the precipitation.
Alkaline Aqueous Coating Solution And Process
US Patent:
4485131, Nov 27, 1984
Filed:
Mar 4, 1983
Appl. No.:
6/472310
Inventors:
Richard G. Adams - Audubon PA
Kurt Goltz - Exton PA
Frederick J. Spaeth - Downingtown PA
Kurt Goltz - Exton PA
Frederick J. Spaeth - Downingtown PA
Assignee:
Pennwalt Corporation - Philadelphia PA
International Classification:
B05D 302
US Classification:
4273882
Abstract:
Aqueous alkaline coating compositions for metal substrates comprising a water soluble salt of an acrylic polymer which contains carboxyl groups, a divalent metal ion, a volatile base and a defoamer. The acrylic polymer is present in the coating composition in an amount greater than about 0. 25 gm/liter and less than about 5. 0 gm/liter.