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
  • D21H17/20—Macromolecular organic compounds
  • D21H17/33—Synthetic macromolecular compounds
  • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D21H17/59—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon
• • 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
  • D21H17/20—Macromolecular organic compounds
  • D21H17/33—Synthetic macromolecular compounds
  • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
  • D21H17/55—Polyamides; Polyaminoamides; Polyester-amides

Landscapes

• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Paper (AREA)
• Silicon Polymers (AREA)
• Developing Agents For Electrophotography (AREA)
• Diaphragms For Electromechanical Transducers (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9099162

Family Applications (1)

Country Status (13)

Families Citing this family (2)

• 1972
  • 1972-05-26 FR FR7218896A patent/FR2186035A5/fr not_active Expired
• 1973
  • 1973-05-18 NL NL7306999A patent/NL7306999A/xx not_active Application Discontinuation
  • 1973-05-23 AR AR24819573A patent/AR194559A1/es active
  • 1973-05-23 BR BR379973A patent/BR7303799D0/pt unknown
  • 1973-05-24 JP JP5726373A patent/JPS4941620A/ja active Pending
  • 1973-05-25 CA CA172,540A patent/CA980515A/en not_active Expired
  • 1973-05-25 GB GB2504773A patent/GB1406336A/en not_active Expired
  • 1973-05-25 FI FI170273A patent/FI55879C/fi active
  • 1973-05-25 IT IT2465973A patent/IT987946B/it active
  • 1973-05-25 BE BE131573A patent/BE800090A/xx unknown
  • 1973-05-25 CH CH755873A patent/CH565895A5/xx not_active IP Right Cessation
  • 1973-05-25 NO NO217673A patent/NO140637C/no unknown
  • 1973-05-26 ES ES415233A patent/ES415233A1/es not_active Expired

Also Published As

Similar Documents

Legal Events