Light-stabilized ink composition
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 23, 1992
Issued Date -
N/A
app pub date -
Jul 19, 1991
filing date -
Aug 25, 1989
priority date (Note) -
In Force
status (Latency Note)
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Abstract
2-(2'-Hydroxyphenyl)benzotriazoles of formula I ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined in claim 1, and which contain at least one --SO.sub.3 X group in the molecule, are suitable light stabilizing additives for aqueous ink compositions, especially for ink jet printing. Some of these compounds are novel compounds.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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CIBA SPECIALTY CHEMICALS CORPORATION | 540 WHITE PLAINS ROAD P O BOX 2005 TARRYTOWN NY 10591 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Laver, Hugh S | Fribourg, CH | 10 | 593 |
# of filed Patents : 10 Total Citations : 593 |
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Patent Citation Ranking
- 70 Citation Count
- G01D Class
- 0 % this patent is cited more than
- 33 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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