公开(公告)号：US20210347817A1

公开(公告)日：2021-11-11

申请号：US17282855

申请日：2019-11-12

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Joo Young LEE ,  Chang Suk LEE ,  Jin Woo JEON ,  Jun Ok MOON ,  Jin Seung PARK

IPC: C07K1/30 ,  C07K1/02 ,  C07C319/26 ,  C07C319/12 ,  B01J23/02

Abstract: Provided is a method of preparing an N-acetyl dipeptide and an N-acetyl amino acid, the method including producing the N-acetyl dipeptide and the N-acetyl amino acid by reaction of an amino acid with acetic anhydride or acetyl chloride.

公开(公告)号：US20210189196A1

公开(公告)日：2021-06-24

申请号：US17254018

申请日：2019-08-30

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Ji Ho HWANG ,  Young Lyeol YANG ,  Chang Yub OH ,  Chang Suk LEE ,  Kyung Su NA ,  Jun Ok MOON

IPC: C09J9/00 ,  C09J7/25

Abstract: Provided is an adhesive composition including lysine, malic acid, and water, wherein the lysine and the malic acid are present in the form of an aqueous salt solution and do not form precipitates in the aqueous solution.

公开(公告)号：US20210139406A1

公开(公告)日：2021-05-13

申请号：US16492852

申请日：2018-01-10

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Jieun KIM ,  Changyub OH ,  Chang Suk LEE ,  Young Lyeol YANG

IPC: C07C67/02 ,  C07C67/54 ,  B01J27/02

Abstract: Provided is a method of efficiently preparing alkyl lactate from by-products which are generated during a process of converting lactic acid into lactide, or from poly(lactic acid) (PLA).

公开(公告)号：US20200017730A1

公开(公告)日：2020-01-16

申请号：US16496623

申请日：2018-03-21

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Ji Ho HWANG ,  Jun Ok MOON ,  Young Lyeol YANG ,  Chang Suk LEE ,  Sang Gwon MOON ,  Su Jin CHOI

IPC: C09J11/06 ,  C09J4/00

Abstract: Provided is an adhesive composition including lysine, itaconic acid, and water, wherein the lysine and the itaconic acid are present in the form of an aqueous solution of a salt such that precipitates are not formed in the aqueous solution. In addition, provided is a method of preparing an adhesive composition including mixing lysine, itaconic acid, and water to thereby form a mixture of the lysine, the citric acid, and the water, and stirring the mixture at a temperature of 80° C. or less, wherein amounts of the lysine, the itaconic acid, and the water are adjusted such that precipitates of the lysine and the itaconic acid do not form in the adhesive composition.

公开(公告)号：US20210269690A1

公开(公告)日：2021-09-02

申请号：US17253586

申请日：2019-08-30

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Ji Ho HWANG ,  Young Lyeol YANG ,  Chang Yub OH ,  Chang Suk LEE ,  Kyung Su NA ,  Jun Ok MOON

IPC: C09J177/06 ,  C09J7/25 ,  C09J7/38

Abstract: Provided is an adhesive composition including lysine, oxaloacetic acid, and water, wherein the lysine and the oxaloacetic acid are present in the form of an aqueous salt solution and do not form precipitates in the aqueous solution.

公开(公告)号：US20210269683A1

公开(公告)日：2021-09-02

申请号：US17254167

申请日：2019-08-30

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Ji Ho HWANG ,  Young Lyeol YANG ,  Chang Yub OH ,  Chang Suk LEE ,  Kyung Su NA ,  Jun Ok MOON

IPC: C09J11/06 ,  C09J7/38 ,  C09J7/25 ,  C09J177/06

Abstract: Provided is an adhesive composition including lysine, alpha ketoglutaric acid, and water, wherein the lysine and the alpha ketoglutaric acid are present in the form of an aqueous salt solution and do not form precipitates in the aqueous solution.

公开(公告)号：US20210189180A1

公开(公告)日：2021-06-24

申请号：US17253681

申请日：2019-08-30

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Ji Ho HWANG ,  Young Lyeol YANG ,  Kyung Su NA ,  Jun Ok MOON ,  Chang Suk LEE

IPC: C09J4/00 ,  C08K5/17 ,  C08K5/092 ,  C08K5/053

Abstract: Provided is an adhesive composition including ornithine, citric acid, and water, wherein the ornithine and the citric acid are present in the form of an aqueous salt solution and do not form precipitates in the aqueous solution. Also provided a method of preparing an adhesive composition including: mixing ornithine, citric acid, and water to form a mixture of the ornithine, the citric acid, and the water; and stirring the mixture at a temperature of less than 80° C., wherein respective contents of the ornithine, the citric acid, and the water are adjusted such that precipitates of the ornithine and the citric acid do not form in the adhesive composition.

公开(公告)号：US20200157344A1

公开(公告)日：2020-05-21

申请号：US16604988

申请日：2018-04-13

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Ji Eun KIM ,  Chang Suk LEE ,  Jun Ok MOON ,  Young Lyeol YANG ,  Chang Yub OH ,  Hang Duk ROH ,  Do Yong SIM ,  Kwang Myung CHO ,  Jin Woo CHOI

IPC: C08L77/04 ,  C08K5/1545

Abstract: Provided is a binder composition including polylysine and at least one reducing sugar or a derivative thereof, wherein the polylysine has, in a 1H NMR spectrum thereof, a first peak at 3.2 ppm to 3.4 ppm and a second peak at 3.8 ppm to 4.0 ppm, wherein a ratio (A:B) of an area of the first peak (A) to an area of the second peak (B) is 70:30 to 98:2.

公开(公告)号：US20200017729A1

公开(公告)日：2020-01-16

申请号：US16496613

申请日：2018-03-21

Applicant: CJ CHEILJEDANG CORPORATION

Inventor： Ji Ho HWANG ,  Jun Ok MOON ,  Young Lyeol YANG ,  Chang Suk LEE ,  Sang Gwon MOON ,  Su Jin CHOI

IPC: C09J11/06

Abstract: Provided is an adhesive composition including lysine, citric acid, and water, wherein the lysine and the citric acid are present in the form of an aqueous solution of a salt such that precipitates are not formed in the aqueous solution. In addition, provided is a method of preparing an adhesive composition including mixing lysine, citric acid, and water to thereby form a mixture of the lysine, the citric acid, and the water, and stirring the mixture at a temperature of 80° C. or less, wherein amounts of the lysine, the citric acid, and the water are adjusted such that precipitates of the lysine and the citric acid do not form in the adhesive composition.