CA587902A - Method of making porous polyvinyl formal - Google Patents

Method of making porous polyvinyl formal

Info

Publication number
CA587902A
CA587902A CA587902A CA587902DA CA587902A CA 587902 A CA587902 A CA 587902A CA 587902 A CA587902 A CA 587902A CA 587902D A CA587902D A CA 587902DA CA 587902 A CA587902 A CA 587902A
Authority
CA
Canada
Prior art keywords
polyvinyl formal
making porous
porous polyvinyl
making
formal
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
CA587902A
Other languages
French (fr)
Inventor
G. Hammon Henry
H. Schilling George
D. Oberhofer George
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA587902A publication Critical patent/CA587902A/en
Expired legal-status Critical Current

Links

CA587902A Method of making porous polyvinyl formal Expired CA587902A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA587902T

Publications (1)

Publication Number Publication Date
CA587902A true CA587902A (en) 1959-12-01

Family

ID=35767378

Family Applications (1)

Application Number Title Priority Date Filing Date
CA587902A Expired CA587902A (en) Method of making porous polyvinyl formal

Country Status (1)

Country Link
CA (1) CA587902A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5843060A (en) * 1997-01-02 1998-12-01 Xomed Surgical Products, Inc. Non-adherent nasal, sinus and otic packing and method for processing sponge materials in fabrication of packings

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5843060A (en) * 1997-01-02 1998-12-01 Xomed Surgical Products, Inc. Non-adherent nasal, sinus and otic packing and method for processing sponge materials in fabrication of packings
US6169123B1 (en) 1997-01-02 2001-01-02 Xomed Surgical Products, Inc. Non-adherent nasal, sinus and otic packing and method for processing sponge materials in fabrication of packings
US6214895B1 (en) 1997-01-02 2001-04-10 Xomed Surgical Products, Inc. Method for making a polyvinyl acetal sponge packing for use in the nasal, sinus and otic cavities

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