Stable silk protein fragment compositions
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Dec 13, 2016
Grant Date -
Jan 28, 2016
app pub date -
Oct 6, 2015
filing date -
Sep 30, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A composition is disclosed that includes pure silk fibroin-based protein fragments that are substantially devoid of sericin, wherein the composition has an average weight average molecular weight ranging from about 17 kDa to about 38 kDa, wherein the composition has a polydispersity of between about 1.5 and about 3.0, wherein the composition is substantially homogeneous, wherein the composition between 0 ppm to about 500 ppm of inorganic residuals, and wherein the composition includes between 0 ppm to about 500 ppm of organic residuals.
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 | |
---|---|---|
EVOLVED BY NATURE INC | 117 KENDRICK STREET SUITE 700 NEEDHAM MA 02494 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Altman, Gregory H | Arlington, US | 110 | 2510 |
# of filed Patents : 110 Total Citations : 2510 | |||
Dow, Rachel Lee | Medford, US | 18 | 171 |
# of filed Patents : 18 Total Citations : 171 | |||
Haas, Dylan S | Yorktown Heights, US | 22 | 178 |
# of filed Patents : 22 Total Citations : 178 | |||
Horan, Rebecca L | Arlington, US | 41 | 1492 |
# of filed Patents : 41 Total Citations : 1492 | |||
Lind, Rachel M | Somers, US | 18 | 171 |
# of filed Patents : 18 Total Citations : 171 |
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Patent Citation Ranking
- 6 Citation Count
- A61K Class
- 38.16 % this patent is cited more than
- 9 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 13, 2028 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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
- (1) the ratio (WA2/DA2) of the yarn length of the multifilament fiber A2 during absorption of moisture and humidity (WA2) to the yarn length of the multifilament yarn A2 under conditions of 20° C. and 65% humidity (DA2) is 1.02 to 1.30;(2) the ratio (WA2/DB2) of the yarn length of the multifilament yarn A2 during absorption of moisture and humidity (WA2) to the yarn length of the multifilament yarn B2 under conditions of 20° C. and 65% humidity (DB2) is 0.9 to 1.1; and(3) the drying shrinkage stress (DS value) of the multifilament yarn A2 is 0.08 cN/dtex or more.

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Dec 27, 2007 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:KANATANI, SHOJI;REEL/FRAME:020310/0389 Owner name: MITSUBISHI RAYON CO., LTD., JAPAN Effective Date: Dec 27, 2007 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:KANATANI, SHOJI;REEL/FRAME:020310/0389 Owner name: MITSUBISHI RAYON TEXTILE CO., LTD., JAPAN Effective Date: Dec 27, 2007 |
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Jul 05, 2005 | PD | Priority Date |

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