| Patent Number |
Title Of Patent |
Date Issued |
| 7452960 |
Polyhydroxyalkanoate copolymer, resin composition, molded product, toner, image forming method a |
November 18, 2008 |
| A polyhydroxyalkanoate copolymer comprises one kind of unit of --[OCH((CH.sub.2).sub.x--SOC.sub.6H.sub.5R)CH.sub.2CO]-- (n=1-7) (1) (wherein R is any one of H, halogen, CN, NO.sub.2, COOR', SO.sub.2R'' (R' is any one of H, Na, K, CH.sub.3 and C.sub.2H.sub.5; R'' is any one of OH, ON |
| 7425432 |
Polyhydroxy alkanoate copolymer including within molecule unit having vinyl group or carboxyl gr |
September 16, 2008 |
| The invention provides a PHA copolymer including at least a 3-hydroxy-.omega.-carboxyalkanoic acid represented by a formula (19) or (32) and simultaneously at least a unit represented by a formula (2) or a formula (3) in a molecule, a precursor PHA copolymer having a corresponding vi |
| 7408017 |
Polyhydroxyalkanoate containing unit with phenylsulfanyl structure in the side chain, process fo |
August 5, 2008 |
| A polyhydroxyalkanoate is disclosed which has in the molecule a unit represented by Chemical Formula (1). ##STR00001## wherein R is arbitrarily selected from a hydrogen atom, a halogen atom, CN, NO.sub.2, COOR', SO.sub.2R'', CH.sub.3, C.sub.2H.sub.5, C.sub.3H.sub.7, C(CH.sub.3).sub. |
| 7399568 |
Carrier for electrophotographic developer |
July 15, 2008 |
| There is provided a resin-coated carrier with a coating layer attached to the surface of a core material in a stable manner, the electrophotographic carrier which can provide an image with excellent quality. The resin-coated carrier of the present invention comprises a resin-coating |
| 7393912 |
Polyhydroxyalkanoate containing amide group, sulfonic group, and sulfonate ester group, method f |
July 1, 2008 |
| A polyhydroxyalkanoate containing in a molecule at least one unit represented by the chemical formula (1). The polyhydroxyalkanoate is a biodegradable plastic with enhanced melt-processability and exhibits excellent charging stability, high chargeability, and enhanced dispersibility |
| 7135540 |
Polyhydroxyalkanoate copolymer including unit having bromo group in side chain and method for pr |
November 14, 2006 |
| The invention provides a polyhydroxyalkanoate having a bromo group in a unit and being thermally stable and capable of arbitrarily controlling physical properties, and a producing method thereof. According to the invention, there are provided a polyhydroxyalkanoate copolymer including |
| 7045321 |
POLYHYDROXYALKANOATE CONTAINING UNIT WITH PHENYLSULFANYL STRUCTURE IN THE SIDE CHAIN, PROCESS FO |
May 16, 2006 |
| A polyhydroxyalkanoate characterized by having in the molecule a unit represented by Chemical Formula (1): ##STR00001## wherein n may assume any one integral value within the range of from 1 to 8. Also disclosed are a process for producing the polyhydroxyalkanoate by the use of a m |
| 6911520 |
Polyhydroxyalkanoate, method of producing the same, charge controlling agent containing polyhydr |
June 28, 2005 |
| Provided is a polyhydroxyalkanoate containing in a molecule thereof one or more units each selected from the following formulae (1) (2), (3) and (4): ##STR1## ##STR2## ##STR3## ##STR4## wherein R.sub.1 and R.sub.6 are each OH, halogen, ONa, OK, OCH.sub.3 or OC.sub.2 H.sub. |
| 6908721 |
POLYHYDROXYALKANOATE HAVING AMIDE GROUP AND SULFONIC GROUP, METHOD OF PRODUCING THE SAME, CHARGE |
June 21, 2005 |
| A polyhydroxyalkanoate comprises a unit of formula (1): --(O--CH((CH.sub.2).sub.m SASO.sub.2 R)CH.sub.2 C(.dbd.O))-- wherein R is selected from the group consisting of OH, a halogen atom, ONa, OK, OCH.sub.3 and OC.sub.2 H.sub.5 ; A represents a substituted or unsubstituted aliphatic |
| 6649380 |
Method for controlling molecular weight of polyhydroxyalkanote constituted on units containing r |
November 18, 2003 |
| A method is provided for controlling the molecular weight of a polyhydroxyalkanoate containing at least one of a unit: --[OCH((CH.sub.2).sub.m R.sub.1)CH.sub.2 C(O)]-- (m=1-8; R.sub.1 is a residue having a ring structure of any of phenyl and thienyl structure), and a unit: --[OCH((CH |
| 6645743 |
Polyhydroxyalkanoate copolymer containing in molecule unit with vinylphenyl structure in its sid |
November 11, 2003 |
| A polyhydroxyalkanoate (PHA) having a desired configuration is produced using a raw material containing .omega.-(4-vinylphenyl)-alkanoic acid and (.omega.-substituted alkanoic acid in which a group having a ring structure selected from phenyl, thienyl, and cyclohexyl structures subst |
