Esterified Dihydric Or Polyhydric Alcohol Patents (Class 106/169.39)
  • Vinyl chloride resin composition, vinyl chloride resin molded product, and laminate
    Patent number: 10738186
    Abstract: A vinyl chloride resin composition comprises: (a) a vinyl chloride resin; (b) a diester plasticizer formed from a compound represented by the following predetermined formula (1) and (c) a trimellitate plasticizer formed from a compound represented by the following formula (2): where R4, R5, and R6 are alkyl groups that may be the same or different, and a straight chain ratio of each of R4, R5, and R6 is less than 90 mol %.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: August 11, 2020
    Assignee: ZEON CORPORATION
    Inventor: Takanori Fujiwara
  • Plasticized polymeric composition
    Patent number: 9593230
    Abstract: Polymeric compositions are provided that include a 1,2,5-pentanetriol trialkylester plasticizer. The plasticizer has low odor, has good compatibility with a variety of polymers such as hydrophilic polymeric materials, and can be formed from renewable resources. Further, the plasticizer can be used at temperatures often encountered during hot melt processing of polymeric compositions.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: March 14, 2017
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Kevin M. Lewandowski, Jonathan E. Janoski
  • Retardation film, and polarizing plate and display device using the same
    Patent number: 7354633
    Abstract: A retardation film containing a polyalcohol ester, a polycarboxylic acid ester, and a cellulose ester, wherein a total acylation degree of the cellulose ester is in the range of 2.4-2.8; and a Mw/Mn value of the cellulose ester is in the range of 1.4-3.0, provided that Mw represents a weight average molecular weight and Mn represent a number average molecular weight of the cellulose ester.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: April 8, 2008
    Assignee: Konica Minolta Opto, Inc.
    Inventors: Koichi Saito, Kunio Shimizu, Isamu Michihata