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METHOD OF MAKING PAPER CONTAINING STARCH DERIVATIVES HAVING BOTH ANIONIC AND CATIONIC GROUPS,AND THE PRODUCT PRODUCED THEREBY
US 3,459,632 A
Filed
: 11/17/1965
Issued
: 08/05/1969
Est. Priority Date
: 11/17/1965
Status: Expired due to Term
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Current Assignee
Carlyle G. Caldwell
,
Irving D. Hodgkin
,
Jarowenko Wadym
Original Assignee
Carlyle G. Caldwell
,
Irving D. Hodgkin
,
Jarowenko Wadym
Inventors
Caldwell, Carlyle G.
,
JAROWENKO WADYM
,
Hodgkin, Irving D.
Application Number
US04/508,363
Time in Patent Office
1,357 Days
Field of Search
US Class Current
162/175
CPC Class Codes
B29C 2793/00
Shaping techniques involvin...
B29C 49/04
Extrusion blow-moulding
B29C 49/36
rotatable about one axis
C08B 31/00
Preparation of derivatives ...
C08B 31/08
Ethers
C08B 31/16
Ether-esters
D21H 17/28
Starch
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