Bio-based polymer additive, a process for preparing the bio-based polymer additive and a biodegradable polymer composition comprising said bio-based polymer additive
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United States of America Patent
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Nov 28, 2017
Issued Date -
N/A
app pub date -
Aug 30, 2013
filing date -
Aug 30, 2012
priority date (Note) -
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Abstract
The present invention disclosed a bio-based polymer additive, its preparation process and a biodegradable polymer composition comprising the said bio-based polymer additive for use in manufacturing of biodegradable plastic. The said additive is prepared from the biomass of broken microorganism cell such as microalgae, yeast or other microorganisms. In particular, the bio-based polymer additive is for enhancing rheological properties and/or biodegradability of a polymer. In particular, the additive is for use as a pigment.
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 | |
---|---|---|
PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED | BANGKOK 10900 |
International Classification(s)
- C12C:BREWING OF BEER
- A23L:FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT....
- C07D:HETEROCYCLIC COMPOUNDS
- C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C09B:ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PROD....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....

- 2013 Application Filing Year
- C12C Class
- 39 Applications Filed
- 30 Patents Issued To-Date
- 76.93 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Chandavasu, Chaya | Bangkok, TH | 6 | 1 |
# of filed Patents : 6 Total Citations : 1 | |||
Jamsak, Wasana | Bangkok, TH | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Jong-Anurakkun, Nilubon | Bangkok, TH | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Pleekhunt, Montree | Bangkok, TH | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Prasitchoke, Phatthanon | Bangkok, TH | 8 | 3 |
# of filed Patents : 8 Total Citations : 3 |
Cited Art Landscape
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Patent Citation Ranking
- 1 Citation Count
- C12C Class
- 53.73 % this patent is cited more than
- 8 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 28, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 28, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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Date | Code | Event | Description |
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Jun 30, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Jan 16, 2018 | I | Issuance | |
Dec 27, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jul 07, 2016 | P | Published | |
Feb 15, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TAKEYASU, SHINOBU;IWASAKI, ATSUSHI;REEL/FRAME:037894/0187 Owner name: SHIN-ETSU HANDOTAI CO., LTD., JAPAN Effective Date: Feb 15, 2016 |
Sep 01, 2014 | F | Filing | |
Oct 29, 2013 | PD | Priority Date |

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