Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
  • F16F1/00—Springs
  • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
  • F16F1/37—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers of foam-like material, i.e. microcellular material, e.g. sponge rubber
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/08—Processes
  • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
  • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
  • C08G18/40—High-molecular-weight compounds
  • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
  • C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G18/00—Polymeric products of isocyanates or isothiocyanates
  • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
  • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
  • C08G18/72—Polyisocyanates or polyisothiocyanates
  • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
  • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/21—Circular sheet or circular blank

Landscapes

• Chemical & Material Sciences (AREA)
• Health & Medical Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Medicinal Chemistry (AREA)
• Polymers & Plastics (AREA)
• Organic Chemistry (AREA)
• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Polyurethanes Or Polyureas (AREA)
• Compositions Of Macromolecular Compounds (AREA)
• Processes Of Treating Macromolecular Substances (AREA)
• Springs (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=22238321

Family Applications (1)

Country Status (19)

Families Citing this family (14)

• 1970
  • 1970-11-27 US US93326A patent/US3677869A/en not_active Expired - Lifetime
• 1971
  • 1971-11-03 AT AT947871A patent/AT319602B/de not_active IP Right Cessation
  • 1971-11-03 AU AU35299/71A patent/AU449302B2/en not_active Expired
  • 1971-11-04 GB GB5132571A patent/GB1377096A/en not_active Expired
  • 1971-11-04 NO NO4077/71A patent/NO132434C/no unknown
  • 1971-11-05 CA CA126,943A patent/CA968899A/en not_active Expired
  • 1971-11-08 ZA ZA717490A patent/ZA717490B/xx unknown
  • 1971-11-09 BR BR7452/71A patent/BR7107452D0/pt unknown
  • 1971-11-09 DE DE19712156264 patent/DE2156264A1/de active Pending
  • 1971-11-11 TR TR16963A patent/TR16963A/xx unknown
  • 1971-11-16 IE IE1447/71A patent/IE36031B1/xx unknown
  • 1971-11-19 ES ES397178A patent/ES397178A1/es not_active Expired
  • 1971-11-23 SE SE7114996A patent/SE385306B/xx unknown
  • 1971-11-23 SE SE7409240A patent/SE385836B/xx unknown
  • 1971-11-25 PL PL1971158474A patent/PL82792B1/pl unknown
  • 1971-11-25 PL PL1971151759A patent/PL72350B1/xx unknown
  • 1971-11-25 FR FR7142226A patent/FR2115399B1/fr not_active Expired
  • 1971-11-26 BE BE775933A patent/BE775933A/xx unknown
  • 1971-11-26 LU LU64355D patent/LU64355A1/xx unknown
  • 1971-11-26 NL NL7116296A patent/NL7116296A/xx unknown
  • 1971-11-29 CH CH1736071A patent/CH555988A/fr not_active IP Right Cessation
• 1974
  • 1974-07-15 SE SE7409240A patent/SE7409240L/xx unknown

Also Published As

Similar Documents