NL271290A - - Google Patents

Info

Publication number: NL271290A
Authority: NL; Netherlands

Application number

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.)

1960-11-22

Publication of NL271290A publication Critical patent/NL271290A/xx

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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
- D21H23/06—Controlling the addition
- D21H23/14—Controlling the addition by selecting point of addition or time of contact between components
- D21H23/18—Addition at a location where shear forces are avoided before sheet-forming, e.g. after pulp beating or refining
- 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
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/07—Nitrogen-containing compounds
- 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
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper

NL271290D 1960-11-22 NL271290A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE1126560		1960-11-22

Publications (1)

Publication Number	Publication Date
NL271290A true NL271290A (enrdf_load_html_response)

Family

ID=20293639

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL271290D NL271290A (enrdf_load_html_response)	1960-11-22

Country Status (8)

Country	Link
AT (1)	AT257342B (enrdf_load_html_response)
CH (1)	CH403464A (enrdf_load_html_response)
DE (1)	DE1201674B (enrdf_load_html_response)
DK (1)	DK106776C (enrdf_load_html_response)
FI (1)	FI45578B (enrdf_load_html_response)
GB (1)	GB1007840A (enrdf_load_html_response)
NL (1)	NL271290A (enrdf_load_html_response)
NO (1)	NO117955B (enrdf_load_html_response)

0
- NL NL271290D patent/NL271290A/xx unknown
1961
- 1961-11-10 NO NO14211861A patent/NO117955B/no unknown
- 1961-11-13 DE DES76666A patent/DE1201674B/de active Pending
- 1961-11-15 GB GB4092961A patent/GB1007840A/en not_active Expired
- 1961-11-16 FI FI200661A patent/FI45578B/fi active
- 1961-11-18 CH CH1342661A patent/CH403464A/de unknown
- 1961-11-20 AT AT872761A patent/AT257342B/de active
- 1961-11-21 DK DK464161A patent/DK106776C/da active

Also Published As

Publication number	Publication date
DK106776C (da)	1967-03-13
AT257342B (de)	1967-10-10
FI45578B (enrdf_load_html_response)	1972-04-04
CH403464A (de)	1965-11-30
NO117955B (enrdf_load_html_response)	1969-10-13
GB1007840A (en)	1965-10-22
DE1201674B (de)	1965-09-23

Publication	Publication Date	Title
FI42627B (enrdf_load_html_response)	1970-06-01
FI42952B (enrdf_load_html_response)	1970-09-02
AT219790B (enrdf_load_html_response)	1962-02-26
FR1590053A (enrdf_load_html_response)	1970-04-13
FI45578B (enrdf_load_html_response)	1972-04-04
AT229108B (enrdf_load_html_response)	1963-08-26
FI46274B (enrdf_load_html_response)	1972-10-31
BE589181A (enrdf_load_html_response)	1960-07-18
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