FR1025467A - Optical whitening process - Google Patents

Optical whitening process

Info

Publication number
FR1025467A
FR1025467A FR1025467DA FR1025467A FR 1025467 A FR1025467 A FR 1025467A FR 1025467D A FR1025467D A FR 1025467DA FR 1025467 A FR1025467 A FR 1025467A
Authority
FR
France
Prior art keywords
whitening process
optical whitening
optical
whitening
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
Other languages
French (fr)
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.)
Sandoz AG
Original Assignee
Sandoz AG
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.)
Filing date
Publication date
Application filed by Sandoz AG filed Critical Sandoz AG
Application granted granted Critical
Publication of FR1025467A publication Critical patent/FR1025467A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
    • D06L1/04—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents combined with specific additives
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/60—Optical bleaching or brightening
    • D06L4/614—Optical bleaching or brightening in aqueous solvents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detergent Compositions (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Coloring (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
FR1025467D 1949-10-05 1950-10-04 Optical whitening process Expired FR1025467A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH689708X 1949-10-05

Publications (1)

Publication Number Publication Date
FR1025467A true FR1025467A (en) 1953-04-15

Family

ID=4529135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1025467D Expired FR1025467A (en) 1949-10-05 1950-10-04 Optical whitening process

Country Status (6)

Country Link
US (1) US2776909A (en)
BE (1) BE498447A (en)
CH (1) CH277956A (en)
DE (1) DE904646C (en)
FR (1) FR1025467A (en)
GB (1) GB689708A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049405A2 (en) * 1980-10-03 1982-04-14 Schweizerische Seidengazefabrik AG Process for treating screen-printing gauzes with at least one whitening agent

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2878138A (en) * 1955-09-28 1959-03-17 Bayer Ag Method of brightening material
US2998326A (en) * 1956-04-04 1961-08-29 Nat Starch Products Inc Cleaning and sizing of fabrics
DE1275983B (en) * 1956-08-30 1968-08-29 Basf Ag Optical brighteners
DE1205941B (en) * 1959-01-16 1965-12-02 Bayer Ag Optical brighteners
US4028550A (en) * 1975-12-22 1977-06-07 E. I. Du Pont De Nemours And Company X-ray screens
DE3366382D1 (en) * 1982-04-02 1986-10-30 Hollygrange Ltd Dry cleaning process
EP1343932B1 (en) * 2000-12-20 2004-08-18 Unilever N.V. Fabric cleaning system
WO2002050364A1 (en) * 2000-12-20 2002-06-27 Unilever N.V. Fabric cleaning system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2180508A (en) * 1934-06-20 1939-11-21 Fraine De Method and material for marking laundered articles
US2341009A (en) * 1936-03-19 1944-02-08 Richards Chemical Works Method of improving brightness of fibrous materials
US2247259A (en) * 1939-03-28 1941-06-24 Foster D Snell Inc Method and composition for marking articles
US2333329A (en) * 1941-04-07 1943-11-02 Nat Marking Mach Co Ink and method of marking dry cleaned articles therewith
NL78383C (en) * 1946-06-14

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049405A2 (en) * 1980-10-03 1982-04-14 Schweizerische Seidengazefabrik AG Process for treating screen-printing gauzes with at least one whitening agent
EP0049405A3 (en) * 1980-10-03 1982-09-22 Schweizerische Seidengazefabrik Ag Process for treating screen-printing gauzes with at least one whitening agent

Also Published As

Publication number Publication date
GB689708A (en) 1953-04-01
BE498447A (en)
CH277956A (en) 1951-09-30
DE904646C (en) 1954-02-22
US2776909A (en) 1957-01-08

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