FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Telesz Scott E   2. Issuer Name and Ticker or Trading Symbol PRAXAIR INC [PX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive Vice President (Last) (First) (Middle) C/O PRAXAIR, INC., 10 RIVERVIEW DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 12/29/2017 (Street) DANBURY, CT 06810 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock               2,430 I In trusts for Children Common Stock 12/29/2017   M   21,880 A $ 97.84 63,981 (1) D   Common Stock 12/29/2017   F   17,759 (2) D $ 155.035 46,222 (1) D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (right to buy)

$ 97.84

12/29/2017

M

21,880

02/22/2012(3)

02/22/2021

Common Stock

21,880

$ 0

0

D

Stock Option (right to buy)

$ 109.68

02/28/2013(3)

02/28/2022

Common Stock

43,005

43,005

D

Stock Option (right to buy)

$ 110.58

02/26/2014(3)

02/26/2023

Common Stock

35,220

35,220

D

Stock Option (right to buy)

$ 128.8

02/25/2015(3)

02/25/2024

Common Stock

37,305

37,305

D

Stock Option (right to buy)

$ 128.38

02/24/2016(4)

02/24/2025

Common Stock

47,375

47,375

D

Stock Option (right to buy)

$ 102.22

02/23/2017(5)

02/23/2026

Common Stock

88,945

88,945

D

Stock Option (right to buy)

$ 118.71

02/28/2018(6)

02/28/2027

Common Stock

69,025

69,025

D

Deferred Stock

$ 0 (7)

(8)

(8)

Common Stock

964.76

964.76

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Telesz Scott E C/O PRAXAIR, INC. 10 RIVERVIEW DRIVE DANBURY, CT 06810			Executive Vice President

Signatures

Anthony M. Pepper, Attorney-in-Fact		01/02/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Includes unvested restricted stock units.
(2)	Shares of common stock withheld to pay the option exercise price and taxes. No market sale of shares occurred. The reporting person acquired and held 4,121 shares net of the shares withheld.
(3)	This option became exercisable in three (3) equal annual installments beginning on the first anniversary of the date of grant.
(4)	This option vests over three years in three consecutive equal annual installments beginning on February 24, 2016.
(5)	This option vests over three years in three consecutive equal annual installments beginning on February 23, 2017.
(6)	This options vests over three years in three consecutive equal annual installments beginning on February 28, 2018.
(7)	Conversion to Praxair Common Stock is on a 1-for-1 basis.
(8)	Deferred stock units acquired under the Praxair, Inc. Compensation Deferral Plan as amended ("Deferral Plan") and are to be settled in Praxair Common Stock.

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