Methods for making oxidation resistant polymeric material
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 17, 2018
Issued Date -
N/A
app pub date -
May 16, 2017
filing date -
Jan 16, 2003
priority date (Note) -
In Force
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Patent Longevity
|
Forward Citations
|
Abstract
The present invention relates to methods for making oxidation resistant medical devices that comprise polymeric materials, for example, ultra-high molecular weight polyethylene (UHMWPE). The invention also provides methods of making antioxidant-doped medical implants, for example, doping of medical devices containing cross-linked UHMWPE with vitamin E by diffusion and materials used therein.
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)
- THE GENERAL HOSPITAL CORPORATION; CAMBRIDGE POLYMER GROUP, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Muratoglu, Orhun K | Cambridge, US | 89 | 2461 |
# of filed Patents : 89 Total Citations : 2461 | |||
Spiegelberg, Stephen H | Winchester, US | 38 | 1817 |
# of filed Patents : 38 Total Citations : 1817 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- C08J Class
- 40.10 % this patent is cited more than
- 7 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 17, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 17, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Jan 05, 2022 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1553); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 12 |
Jan 04, 2018 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552) year of fee payment: 8 |
Jan 01, 2018 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MITSUBISHI HEAVY INDUSTRIES, LTD.;REEL/FRAME:047054/0898 Owner name: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD., JAP Effective Date: Jan 01, 2018 |
Dec 27, 2013 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Jul 20, 2010 | I | Issuance | |
Jun 30, 2010 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Nov 02, 2009 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Sep 07, 2006 | P | Published | |
Jun 06, 2005 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KONO, HIROYUKI;YAMAGUCHI, MASAHIRO;YAMASHITA, HIROSHI;AND OTHERS;REEL/FRAME:017420/0378 Owner name: MITSUBISHI HEAVY INDUSTRIES, LTD., JAPAN Effective Date: Jun 06, 2005 |
Oct 30, 2003 | F | Filing | |
Oct 30, 2002 | PD | Priority Date |

Matter Detail

Renewals Detail
