Patent search ap:("INT PAPER CANADA") AND inv:"MACDONALD DONALD M" Page 1

1.

发明授权
Method of increasing the water-retentivity of cellulose fibers and the product produced thereby 失效
Title translation: 增加纤维素纤维的水分稳定性及其生产产品的方法

公开(公告)号：US3551410A

公开(公告)日：1970-12-29

申请号：US3551410D

申请日：1969-03-27

Applicant: INT PAPER CANADA

Inventor： MACDONALD DONALD M , GODSAY MADHU P

IPC: C08B15/04 , C08B3/22 , C08B23/00

CPC classification number: C08B15/04

2.

发明授权
Cellulose-sulfur composition which resists chain shortening 失效
Title translation: 纤维素硫磺组合物，可用于保护链条

公开(公告)号：US3464840A

公开(公告)日：1969-09-02

申请号：US3464840D

申请日：1965-01-04

Applicant: INT PAPER CANADA

Inventor： MACDONALD DONALD M

IPC: C08B1/08 , C08B3/22 , C08L1/00 , D01F2/08 , C08B27/64

CPC classification number: C08L1/00 , C08B1/08 , C08B3/22 , D01F2/10

3.

发明授权
Nitrogen dioxide pulping process 失效
Title translation: 硝酸二氧化硅粉碎工艺

公开(公告)号：US3578553A

公开(公告)日：1971-05-11

申请号：US3578553D

申请日：1968-09-10

Applicant: INT PAPER CANADA

Inventor： GODSAY MADHU P , MACDONALD DONALD M

IPC: D21C3/16

CPC classification number: D21C3/16

Abstract: A PRIMARY PULPING PROCESS IN WHICH RAW LINGO-CELLULOSIC MATERIAL IS CONTACTED WITH NITROGEN DIOXIDE GAS AT ATMOSPHERIC PRESSURE AND AMBIENT TEMPERATURE TO PRODUCE CELLULOSIC PULP AND USEFUL BY-PRODUCTS, FOR EXAMPLE LIGNIN NITRATES AND NITRITES, WITHOUT AIR OR OTHER PLOLLUTION.

4.

发明授权
Spinning of viscose 失效
Title translation: 旋转粘胶

公开(公告)号：US3531560A

公开(公告)日：1970-09-29

申请号：US3531560D

申请日：1968-10-28

Applicant: INT PAPER CANADA

Inventor： MACDONALD DONALD M , ALVAREZ EDGARDO J

IPC: D01F2/06 , D01F2/08 , D01F3/12

CPC classification number: D01F2/10

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