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COLUMBIA RIVER CARBONATES
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WOODLAND, WA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Bulking and opacifying fillers for paper and paper board
Patent number
5,676,748
Issue date
Oct 14, 1997
Columbia River Carbonates
Alan J. Brown
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Agglomerates for use in making cellulosic products
Patent number
5,676,746
Issue date
Oct 14, 1997
Columbia River Carbonates
Alan J. Brown
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Calcium carbonate pigments for coating paper and paper board
Patent number
5,676,747
Issue date
Oct 14, 1997
Columbia River Carbonates
Alan J. Brown
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Bulking and opacifying fillers for cellulosic products
Patent number
5,653,795
Issue date
Aug 5, 1997
Columbia River Carbonates
Alan J. Brown
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for wet grinding of natural and synthetic carbonates
Patent number
4,606,503
Issue date
Aug 19, 1986
Columbia River Carbonates
Joerg A. Bleeck
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
86706855 - HYDROCAL
Serial number
86706855
Registration number
4908555
Filing date
Jul 28, 2015
COLUMBIA RIVER CARBONATES
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
85547657 - PURI-CAL
Serial number
85547657
Registration number
4209949
Filing date
Feb 20, 2012
COLUMBIA RIVER CARBONATES
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
78942971 - GARDEN PEARLS
Serial number
78942971
Registration number
3247543
Filing date
Aug 2, 2006
COLUMBIA RIVER CARBONATES
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
78943524 - BASE LINE
Serial number
78943524
Filing date
Aug 2, 2006
COLUMBIA RIVER CARBONATES
19 - Building materials (non-metallic)
Information
Trademark
78412096 - CONCARB
Serial number
78412096
Filing date
May 3, 2004
COLUMBIA RIVER CARBONATES
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73559803 - MICRONA
Serial number
73559803
Registration number
1415005
Filing date
Sep 20, 1985
COLUMBIA RIVER CARBONATES
19 - Building materials (non-metallic)