Stabilization of poly(hydroxy acid)s derived from lactic or glycolic acid
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 17, 1995
Grant Date -
N/A
app pub date -
Aug 20, 1993
filing date -
Aug 20, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Stabilization of poly(hydroxy acid)s, particularly poly(lactic acid), to thermal processing with selected boron compounds is disclosed. The most preferred stabilizer is boric oxide (B.sub.2 O.sub.3).
First Claim
all claims..Other Claims data not available
Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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ECOLOGICAL CHEMICAL PRODUCTS | CONCORD PLAZA NAAMANS BLDG SUITE 200 3500 SILVERSIDE ROAD WILMINGTON DE 19810 |
International Classification(s)

- 1993 Application Filing Year
- C08K Class
- 795 Applications Filed
- 388 Patents Issued To-Date
- 48.81 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Baird, Richard L | Wilmington, DE | 2 | 3 |
# of filed Patents : 2 Total Citations : 3 | |||
Kelly, Jr William E | Wilmington, DE | 4 | 130 |
# of filed Patents : 4 Total Citations : 130 |
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Patent Citation Ranking
- 2 Citation Count
- C08K Class
- 4.32 % this patent is cited more than
- 30 Age
Forward Cite Landscape
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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

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Mar 28, 2017 | I | Issuance | |
Mar 08, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 22, 2014 | AS | ASSIGNMENT | free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE RECEIVING PARTY NAME PREVIOUSLY RECORDED ON REEL 034571 FRAME 0523. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT;ASSIGNOR:MARTENS, JON S.;REEL/FRAME:042386/0766 Owner name: ANRITSU COMPANY, CALIFORNIA Effective Date: Dec 22, 2014 |
Dec 22, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MARTENS, JON S.;REEL/FRAME:034571/0523 Owner name: ANRITSU CORPORATION, CALIFORNIA Effective Date: Dec 22, 2014 |
Mar 14, 2014 | F | Filing |

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