GB1302409A - - Google Patents

Info

Publication number
GB1302409A
GB1302409A GB577670A GB577670A GB1302409A GB 1302409 A GB1302409 A GB 1302409A GB 577670 A GB577670 A GB 577670A GB 577670 A GB577670 A GB 577670A GB 1302409 A GB1302409 A GB 1302409A
Authority
GB
United Kingdom
Prior art keywords
inert carrier
blending
mixture
feb
carrier
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
GB577670A
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 filed Critical
Publication of GB1302409A publication Critical patent/GB1302409A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/60—Mixing solids with solids
    • B01F23/66—Mixing solids with solids by evaporating or liquefying at least one of the components; using a fluid which is evaporated after mixing
    • 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
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/14—Heterocyclic carbon compound [i.e., O, S, N, Se, Te, as only ring hetero atom]
    • Y10T436/142222—Hetero-O [e.g., ascorbic acid, etc.]
    • Y10T436/143333—Saccharide [e.g., DNA, etc.]
    • Y10T436/144444—Glucose
    • 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
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/14—Heterocyclic carbon compound [i.e., O, S, N, Se, Te, as only ring hetero atom]
    • Y10T436/145555—Hetero-N
    • Y10T436/147777—Plural nitrogen in the same ring [e.g., barbituates, creatinine, etc.]
    • Y10T436/148888—Uric acid
    • 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
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/17—Nitrogen containing
    • Y10T436/171538—Urea or blood urea nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

1302409 Blending particulate reagents XEROX CORP 6 Feb 1970 [10 Feb 1969] 5776/70 Heading B1X A process of blending a plurality of particulate materials, for example analytical reagents, comprises forming a slurry of the finely divided materials in an inert carrier, blending the slurried mixture to produce a homogeneous mixture and removing the inert carrier without affecting the chemical activity of the mixture or disturbing the uniformity of blend. The inert carrier is preferably 1,1,2-trichloro- 1,2,2 trifluoroethane; also mentioned are 1,1, 2,2-tetrachloro-1,2-difluoroethane; 1,1,2,2, tetra fluoro-1,2 dibromoethane, trichloromonofluoromethane. The particulate materials are preferably initially reduced to finer than 200 mesh and blended with the inert carrier in proportion 1 grm to 0.75-2 mls, then the carrier is removed by vacuum evaporation.
GB577670A 1969-02-10 1970-02-06 Expired GB1302409A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80082269A 1969-02-10 1969-02-10

Publications (1)

Publication Number Publication Date
GB1302409A true GB1302409A (en) 1973-01-10

Family

ID=25179461

Family Applications (1)

Application Number Title Priority Date Filing Date
GB577670A Expired GB1302409A (en) 1969-02-10 1970-02-06

Country Status (4)

Country Link
US (1) US3647713A (en)
DE (1) DE2005964A1 (en)
FR (1) FR2032850A5 (en)
GB (1) GB1302409A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE414509B (en) * 1979-05-17 1980-08-04 Kockums Chem POWDER-SUBSTRATE COMPOSITION WHICH DOES NOT INCLUDE HYDROPHOBIC ENZYME SUBSTATE ADSORBED TO A PARTICULAR CONSERVATOR WITHOUT USING THE COMPOSITION IN TIME-TEMPERATURE TYPE ENZYMATIC INDICATOR DEVICE
US4917834A (en) * 1988-11-16 1990-04-17 General Technology Applications, Inc. Method for forming homogeneous blends of particulate materials

Also Published As

Publication number Publication date
US3647713A (en) 1972-03-07
FR2032850A5 (en) 1970-11-27
DE2005964A1 (en) 1970-09-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees