CA1035640A - Waterproof paperboard and method for producing same - Google Patents

Waterproof paperboard and method for producing same

Info

Publication number: CA1035640A
Authority: CA; Canada
Prior art keywords: producing same; waterproof paperboard; paperboard; waterproof; producing
Prior art date: 1974-03-04
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

CA218,161A

Other languages

French (fr)

Other versions

CA218161S (en

Inventor

Charles E. Thompson

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.)

ConocoPhillips Co

Original Assignee

Continental Oil Co

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.)

1974-03-04

Filing date

1975-01-16

Publication date

1978-08-01

1974-12-24 Priority claimed from US05/534,241 external-priority patent/US3962509A/en

1975-01-16 Application filed by Continental Oil Co filed Critical Continental Oil Co

1978-08-01 Application granted granted Critical

1978-08-01 Publication of CA1035640A publication Critical patent/CA1035640A/en

Status Expired legal-status Critical Current

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/60—Waxes

CA218,161A 1974-03-04 1975-01-16 Waterproof paperboard and method for producing same Expired CA1035640A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US44809274A	1974-03-04	1974-03-04
US47501674A	1974-05-31	1974-05-31
US05/534,241 US3962509A (en)	1974-05-31	1974-12-24	Waterproof paperboard and method for producing same

Publications (1)

Publication Number	Publication Date
CA1035640A true CA1035640A (en)	1978-08-01

Family

ID=27412353

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA218,161A Expired CA1035640A (en)	1974-03-04	1975-01-16	Waterproof paperboard and method for producing same

Country Status (7)

Country	Link
CA (1)	CA1035640A (en)
DE (1)	DE2502700A1 (en)
ES (1)	ES435097A1 (en)
FR (1)	FR2263084A1 (en)
GB (1)	GB1444336A (en)
IT (1)	IT1033177B (en)
NL (1)	NL7502556A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE545417C2 (en) *	2021-12-22	2023-09-05	Stora Enso Oyj	Cellulose product with barrier
SE545416C2 (en) *	2021-12-22	2023-09-05	Stora Enso Oyj	Composite products

1975
- 1975-01-16 CA CA218,161A patent/CA1035640A/en not_active Expired
- 1975-01-16 GB GB194975A patent/GB1444336A/en not_active Expired
- 1975-01-23 DE DE19752502700 patent/DE2502700A1/en active Pending
- 1975-02-25 IT IT2063775A patent/IT1033177B/en active
- 1975-02-26 ES ES435097A patent/ES435097A1/en not_active Expired
- 1975-03-03 FR FR7506571A patent/FR2263084A1/fr not_active Withdrawn
- 1975-03-04 NL NL7502556A patent/NL7502556A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
GB1444336A (en)	1976-07-28
NL7502556A (en)	1975-09-08
IT1033177B (en)	1979-07-10
DE2502700A1 (en)	1975-09-11
FR2263084A1 (en)	1975-10-03
ES435097A1 (en)	1977-03-16

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