Micronized wood preservative formulations
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 14, 2015
Issued Date -
N/A
app pub date -
Apr 28, 2014
filing date -
Apr 9, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides wood preservative compositions comprising micronized particles. In one embodiment, the composition comprises dispersions of micronized metal or metal compounds. In another embodiment, the wood preservative composition comprises an inorganic component comprising a metal or metal compound and organic biocide. When the composition comprises an inorganic component and an organic biocide, the inorganic component or the organic biocide or both are present as micronized particles. When compositions of the present invention are used for preservation of wood, there is minimal leaching of the metal and biocide from the wood.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
KOPPERS PERFORMANCE CHEMICALS INC | 436 SEVENTH AVENUE PITTSBURGH PA 15219 |
International Classification(s)

- 2014 Application Filing Year
- A01N Class
- 2096 Applications Filed
- 1748 Patents Issued To-Date
- 83.40 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Leach, Robert M | Grand Island, US | 36 | 544 |
# of filed Patents : 36 Total Citations : 544 | |||
Zhang, Jun | Peachtree City, US | 1152 | 7034 |
# of filed Patents : 1152 Total Citations : 7034 |
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- 0 Citation Count
- A01N Class
- 0 % this patent is cited more than
- 10 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 14, 2027 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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