Plasticized poly vinyl chloride compositions
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 20, 2010
Grant Date -
Jun 22, 2006
app pub date -
Dec 6, 2002
filing date -
Dec 6, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to plasticizer compositions for polyvinyl chloride resins. A plasticized polyvinyl chloride resin contains (a) 100 parts by weight of at least one polyvinyl chloride resin and (b) 0.1 to 200 parts by weight of a plasticizer compounded with the polyvinyl chloride resin, wherein the plasticizer comprises (i) at least one isobutanol ester of a fatty acid with 8 to 24 carbon atoms, wherein, the fatty acid can be saturated or olefinically unsaturated, linear or branched and contain at least one epoxy group per molecule and (ii) at least one methyl ester of a fatty acid with 16 to 18 carbon atoms, wherein, the fatty acid can be saturated or olefinically unsaturated, linear or branched.
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 | |
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COGNIS BRAZIL LTDA | AVENUE DAS NACOES UNIDAS 10989-4 ANDAR SAO PAULO SP CEP-04578-000 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Braga, Katia | Säo José dos Campos, BR | 2 | 23 |
# of filed Patents : 2 Total Citations : 23 | |||
Bueno, de Almeida Wanderson | Säo José dos Campos, BR | 9 | 63 |
# of filed Patents : 9 Total Citations : 63 | |||
Sousa, Sales Henrique Jorge | Säo José dos Campos, BR | 4 | 27 |
# of filed Patents : 4 Total Citations : 27 |
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Patent Citation Ranking
- 15 Citation Count
- C08K Class
- 69.68 % this patent is cited more than
- 15 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 |
Full Text

Legal Events
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May 23, 2022 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
May 23, 2022 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Apr 20, 2022 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Apr 20, 2022 |
Dec 06, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Sep 18, 2017 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552) year of fee payment: 8 |
Oct 16, 2013 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Apr 20, 2010 | I | Issuance | |
Mar 31, 2010 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 06, 2009 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Jun 22, 2006 | P | Published | |
Jun 13, 2005 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BUENO DE ALMEIDA, WANDERSON;BRAGA, KATIA;SOUSA SALES, HENRIQUE JORGE;REEL/FRAME:016905/0838 Owner name: COGNIS BRAZIL LTDA,BRAZIL Effective Date: Jun 13, 2005 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BUENO DE ALMEIDA, WANDERSON;BRAGA, KATIA;SOUSA SALES, HENRIQUE JORGE;REEL/FRAME:016905/0838 Owner name: COGNIS BRAZIL LTDA, BRAZIL Effective Date: Jun 13, 2005 |
Dec 06, 2002 | F | Filing | |
Dec 06, 2002 | PD | Priority Date |

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