CA966643A - Composite web having density gradient and process for preparing same - Google Patents

Composite web having density gradient and process for preparing same

Info

Publication number
CA966643A
CA966643A CA127,543A CA127543A CA966643A CA 966643 A CA966643 A CA 966643A CA 127543 A CA127543 A CA 127543A CA 966643 A CA966643 A CA 966643A
Authority
CA
Canada
Prior art keywords
density gradient
composite web
preparing same
preparing
web
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA127,543A
Other versions
CA127543S (en
Inventor
Lawrence W. Healy
Wu L. Wang
Joseph I. Gross
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tenneco Chemicals Inc
Original Assignee
Tenneco Chemicals Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tenneco Chemicals Inc filed Critical Tenneco Chemicals Inc
Priority to CA127,543A priority Critical patent/CA966643A/en
Application granted granted Critical
Publication of CA966643A publication Critical patent/CA966643A/en
Expired legal-status Critical Current

Links

CA127,543A 1970-11-13 1971-11-12 Composite web having density gradient and process for preparing same Expired CA966643A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA127,543A CA966643A (en) 1970-11-13 1971-11-12 Composite web having density gradient and process for preparing same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8922370A 1970-11-13 1970-11-13
CA127,543A CA966643A (en) 1970-11-13 1971-11-12 Composite web having density gradient and process for preparing same

Publications (1)

Publication Number Publication Date
CA966643A true CA966643A (en) 1975-04-29

Family

ID=25666946

Family Applications (1)

Application Number Title Priority Date Filing Date
CA127,543A Expired CA966643A (en) 1970-11-13 1971-11-12 Composite web having density gradient and process for preparing same

Country Status (1)

Country Link
CA (1) CA966643A (en)

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