US Patent No: 6,194,493

Number of patents in Portfolio can not be more than 2000

4-hydroxyquinoline-3-carboxylic acid derivatives as light stabilizers

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Importance

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Abstract

The present invention relates to the use of compounds of the formula (I) ##STR1## where the substituents are as defined in the description as a stabilizer for organic material against the harmful effect of light, oxygen and heat.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CLARIANT GMBH65843 SULZBACH453

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mehrer, Mathias Gablingen, DE 8 23
Stahrfeldt, Thomas Neusass, DE 9 34

Cited Art

Patent Info (Count) # Cites Year
 
CIBA SPECIALTY CHEMICALS CORPORATION (1)
5,753,729 Coating compositions stabilized against damage by light, heat, and oxygen 3 1996
 
CIBA-GEIGY CORPORATION (1)
4,264,604 Quinolonecarboxylic acid derivatives as bactericides 5 1978
 
LION CORPORATION (1)
4,416,809 Granular detergent composition 19 1982
 
ROUSSEL UCLAF (1)
4,450,167 3-Quinoline carboxamides having anxiolytic activity 18 1982

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
CLARIANT PRODUKTE (DEUTSCHLAND) GMBH (1)
6,918,958 Acid pigment dispersants and pigment preparations 14 2002