High density polyethylene films with improved barrier properties
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Feb 13, 2007
Grant Date -
N/A
app pub date -
Nov 19, 2004
filing date -
Jun 6, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates High Density Polyethylene (HDPE) films having improved barrier properties. More particularly, the invention relates to HDPE films containing hydrocarbon resins having improved moisture barrier. The invention also relates to masterbatches for use in producing High Density Polyethylene films having improved barrier properties.
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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EASTMAN CHEMICAL RESINS INC | KINGSPORT TN 37660 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Klosiewicz, Daniel W | Wilmington, DE | 27 | 483 |
# of filed Patents : 27 Total Citations : 483 |
Cited Art Landscape
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Patent Citation Ranking
- 7 Citation Count
- C08L Class
- 5.66 % this patent is cited more than
- 18 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

Legal Events
Date | Code | Event | Description |
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Dec 06, 2021 | 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 |
Dec 06, 2021 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Oct 29, 2021 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Oct 29, 2021 |
Jun 21, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Apr 13, 2017 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Oct 29, 2013 | I | Issuance | |
Oct 09, 2013 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Oct 31, 2012 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Oct 18, 2012 | P | Published | |
Apr 25, 2011 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YAMAMOTO, KENTARO;YONESHIMA, HISASHI;TAKAZAWA, SHIGEYOSHI;SIGNING DATES FROM 20110414 TO 20110415;REEL/FRAME:026175/0353 Owner name: YKK CORPORATION OF AMERICA, GEORGIA |
Apr 18, 2011 | F | Filing | |
Apr 18, 2011 | PD | Priority Date |

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