Thermosetting resin composition
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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May 5, 1992
Issued Date -
N/A
app pub date -
Mar 21, 1991
filing date -
Jun 19, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A thermosetting resin composition comprising (A) 60 to 95% by weight of a prepolymer or precopolymer selected from the group consisting of (A-1), (A-2) and (A-3) below, (A-1) a prepolymer of diallyl phthalate, (A-2) a precopolymer of diallyl terephthalate derived from diallyl terephthalate of the following formula (1) ##STR1## and an aromatic benzyl hydrocarbon having at least one hydrogen atom at the benzyl position and represented by the following formula (2) ##STR2## wherein each of R.sup.1 and R.sup.2 represents a member selected from the class consisting of a hydrogen atom and lower alkyl groups, and n is an integer of 1 to 3, and (A-3) a mixture of (A-1) and (A-2), and (B) 40 to 5% by weight of a polyacrylate or polymethacrylate of dipentaerythritol having at least 4 acryloyl or methacryloyl groups in the molecule and represented by the following formula ##STR3## wherein each R.sup.3 represents a hydrogen atom, --COCH.dbd.CH.sub.2 or ##STR4## and at least four R.sup.3 groups represents --COCH.dbd.CH.sub.2 or ##STR5##
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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OSAKA SODA CO LTD | 12-18 AWAZA 1-CHOME NISHI-KU OSAKA |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Kono, Yoshimi | Amagasaki, JP | 2 | 5 |
# of filed Patents : 2 Total Citations : 5 | |||
Maeda, Sabee | Osaka, JP | 2 | 5 |
# of filed Patents : 2 Total Citations : 5 |
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Patent Citation Ranking
- 3 Citation Count
- C08F 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 |
Full Text

Legal Events
Date | Code | Event | Description |
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Mar 10, 2025 | PD | Priority Date | |
May 13, 2019 | 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: MICROENTITY |
May 13, 2019 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Apr 07, 2019 | FP | EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Apr 07, 2019 |
Nov 26, 2018 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: MICROENTITY |
Apr 07, 2015 | I | Issuance | |
Mar 18, 2015 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jan 22, 2014 | F | Filing |

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